pre-draft是什么意思

网络释义

用法例句

In producing stretch satin cloth of polyester filament and cotton polyurethane core-spun yarn,it needs to control the pre-draft of polyurethane in polyurethane core-spun yarn process to make the resultant yarn stretch even,solve the yarn joining problem and eliminate the missing of core-spun yarn.

采用先进的长丝织物生产设备生产涤纶长丝和精梳棉氨包芯纱交织缎纹弹力布,氨纶包芯纱生产过程中控制好氨纶丝的预牵伸,使成纱弹力均匀,解决了挡车工的接头问题,杜绝缺芯纱,选用ZA209 i喷气织机,采取提高喷气压力、延长引纬时间等措施,解决了纬缩问题。

Effect of polyurethane filament draft ratio on elastic fabric performance

氨纶丝预牵伸倍数对弹力织物性能的影响

Use of excessive draft in spinning preparatory and ring frames.

在纺纱预备阶段和纺纱设备使用大的牵伸。

Bardenheuer's extension

巴登霍伊厄氏牵伸术

pin drafter

针梳牵伸机, 针梳机

Modern controlled drafting systems use drafts of the order of 30.

新式的牵伸控制系统使用大约30倍牵伸。

The effect of different drawing condition and way on structure of PAN precursor

牵伸条件以及牵伸方式对PAN纤维结构的影响

Process Analysis about the Additional Pressure Bar in the Drafting Zone on the Spinning Frame

细纱机牵伸区附加压力棒牵伸工艺分析

Influence of Back Zone Drafting Multiple on Pressure Bar Drafting in Spinning Front Zone

后区牵伸倍数对细纱前区压力棒牵伸的影响

The application of traction to a fractured or dislocated limb to restore the normal position.

牵引，牵伸（术）为使骨折或脱位的肢体恢复原位而进行的牵伸动作

It pointed out that the drafting of mule should better use combination drafting and select right proportion of different drafting with different material.

文章指出，走锭细纱机牵伸应尽量采用混合牵伸方法，根据原料变化相应调整牵伸分配。

Modern drafting systems in the three-cylinder spinning mill are working with10 to200- fold main drafts.

现代纺纱厂中使用的三罗拉牵伸系统的主牵伸倍数为10～00。

For the measurement of drafting forces of staple the Shirley draftometer or a similar instrument is used.

至于测量短纤维的牵伸力，可以应用雪莱牵伸仪或其它类似仪器。

Effect of pressure bar in back drafting zone of SKF drafting system on spun yarn quality and optimizing drafting ratio

细纱机后区压力棒牵伸的效果及牵伸倍数的优化

Study on the Air Jet Flow in Slot Mechanism of Drawing of Spunbonding and Optimize the Structure;

纺粘狭缝牵伸器拉伸气流流场研究与结构优化

Study on air flow field with wide slot mechanism of positive drawing in spunbond process

纺粘宽狭缝正压牵伸器拉伸气流流场研究

During the drawing an adhesive is applied by rollers.

在牵伸过程中,通过罗拉施加粘合剂。

A roving is made and then drawn to a fine strand.

先制成纤维条子,再将其牵伸成细纱线。

A Discussinon about the Pendulum Arm Length for Spinning Ramie Staple

?麻长纤纺细纱机牵伸摇架长度探讨