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canvas spreader
相关语句
  扩张帆布
     (1)The attack angle index of canvas spreader at 16 1~17 4 brought smaller net drag,better net performance as well as larger vertical opening and horizontal spreading,while the performance was poorer with the increase of the attack angle.
     结果表明:(1)扩张帆布冲角表征值为161~174°时,网具阻力较小,网口垂直扩张和水平扩张较大,网具性能较好; 随着冲角表征值的变大,网具性能有所下降。
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  “canvas spreader”译为未确定词的双语例句
     Research on effect of structure of the net mouth of strow net with canvas spreader on net performance was carried out and discussed in this paper, through model testing in towing tank.
     通过对帆式张网模型水池试验,研究了帆式张网网中部分网衣结构对网具性能的影响。
短句来源
  相似匹配句对
     Study on performance of canvas-spreader and stow net
     帆式张网扩张帆布与网具性能的研究
短句来源
     Diamond heat spreader
     人造金刚石散热材料
短句来源
     The Application Technology of Spreader
     摊铺机应用技术──LT6摊铺机的使用与改进
短句来源
     (3)When 3 pieces of canvas at the middle section of the spreader were removed,the horizontal spreading sharply declined.
     (3)抽取中间3块扩张帆布(5m×3),帆布扩张力明显不足;
短句来源
     Feeling Exhibition of Canvas Colors
     论油画色彩的情感表现
短句来源
查询“canvas spreader”译词为用户自定义的双语例句

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The effect of canvas spreaders on the performance of anchored sow net was studied through model test in tank.(1)The attack angle index of canvas spreader at 16 1~17 4 brought smaller net drag,better net performance as well as larger vertical opening and horizontal spreading,while the performance was poorer with the increase of the attack angle.(2)The height increasing of the canvas spreaders got down with the increase of current velocity.(3)When 3 pieces of canvas at the middle section of the spreader...

The effect of canvas spreaders on the performance of anchored sow net was studied through model test in tank.(1)The attack angle index of canvas spreader at 16 1~17 4 brought smaller net drag,better net performance as well as larger vertical opening and horizontal spreading,while the performance was poorer with the increase of the attack angle.(2)The height increasing of the canvas spreaders got down with the increase of current velocity.(3)When 3 pieces of canvas at the middle section of the spreader were removed,the horizontal spreading sharply declined.At the current velocity less than 2.0 kn,the net performance,when 1 piece in center section of the canvas was removed,was better than that when 2 pieces in center section removed. (4)With the current velocity ranging from 1.0~3.5 kn and 2 supporting rods added to the spreader,the vertical opening went up slightly and the horizontal spreading increased by 2.5% at lower velocity and by 12.2% at higher velocity.

通过对帆式张网模型水池试验,研究了扩张帆布对帆式张网网具性能的影响。结果表明:(1)扩张帆布冲角表征值为161~174°时,网具阻力较小,网口垂直扩张和水平扩张较大,网具性能较好;随着冲角表征值的变大,网具性能有所下降。(2)帆式张网网口垂直扩张随扩张帆布高度增加而变高,随流速的加大而增高幅度有所减小。(3)抽取中间3块扩张帆布(5m×3),帆布扩张力明显不足;当流速小于20kn时,抽取中间1块比抽取最后第2块网具性能更好。(4)当流速从10~35kn时,经增加2根扩张帆布的撑杆后,网口垂直扩张略有增加,增加幅度为16%~22%;水平扩张随流速的增加扩张性能提高明显,增加幅度为25%~122%。

Research on effect of structure of the net mouth of strow net with canvas spreader on net performance was carried out and discussed in this paper, through model testing in towing tank. The test showed: 1.By curve cutting in the top and bottom parts of the net mouth, net drag decreased by 3. 9% averagely,vertical opening and horizontal spreading averagely increased by 4. 7% and 7. 2% respectively. 2. Through curve cutting in the top, bottom and side parts of the net mouth, net drag decreased by 24. 2% averagely,...

Research on effect of structure of the net mouth of strow net with canvas spreader on net performance was carried out and discussed in this paper, through model testing in towing tank. The test showed: 1.By curve cutting in the top and bottom parts of the net mouth, net drag decreased by 3. 9% averagely,vertical opening and horizontal spreading averagely increased by 4. 7% and 7. 2% respectively. 2. Through curve cutting in the top, bottom and side parts of the net mouth, net drag decreased by 24. 2% averagely, horizontal spreading went down slightly at low current speed but increased at higher current speed. Curve cutting in side parts of net mouth had little effect on vertical opening.

通过对帆式张网模型水池试验,研究了帆式张网网中部分网衣结构对网具性能的影响。试验表明,(1)背腹网网口网衣弧形剪裁后,背腹网网衣受力均匀程度明显改善,网具阻力平均下降3.9%,网口垂直扩张平均增加4.7%,水平扩张平均增加7.2%。(2)背腹、侧网网口网衣剪成弧形后,网具阻力平均下降24.2%,水平扩张低速时有所下降,但高速时开始增加,平均增幅为3.5%。侧网网口网衣弧形剪裁对网日垂直扩张影响不大。

 
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