double pointed needles dpn 双头棒针
double pointed 双端的 ; 双尖端的
Double-pointed hoe 两头鹤嘴锄
double pointed flap 双夹角袋盖
double pointed nail 双头尖钉
The basic darts are triangular, curved, double-pointed and the dart tuck.
基本省道有三角省、弯曲省、橄榄省和半活褶。
This paper pointed out some considerable questions on designing double towel cloth, and processing design keys of weaving.
提出在设计双层毛巾织物时应考虑的问题以及在织造过程中的工艺设计要点。
By analyzing processing mechanism of double-width grinding, it's pointed in this article that different processing method will leave different effect to the quality of products.
本文通过对双端面磨削的加工机理进行分析，指出不同的加工方法对产品质量的影响是不同的；
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