防漏双拉链封口 Leak Proof Double Zipper Seal
双拉杆 duplex pull rod
双拉扭锁 Side Twistlocks
双拉双扯 double hauls
双拉线式 double span wire system
高强度双拉伸梯 YQSLT
双向拉伸尼龙 BOPA ; ONY
双向拉伸聚丙烯 BOPP ; BOPP Biaxially oriented polypropylene film ; Biaxially Oriented Polypropylene
双头拉链 zipper with double sliders ; two-way separating zip ; double zipper
双向拉伸聚丙烯薄膜 BOPP ; BOPP OR OPP ; Bi-oriented polypropylene film
我们拿双拉与单拉做对比。
等双拉预应变将明显降低正应变比区的成形极限，对负应变比区的成形极限有所提高。
Equiaxial prestrain will obviously decrease the forming limit on positive strain ratio zone, while it slightly improves the forming limit on negative strain ratio zone.
早在她的模特生涯中，拉奎尔·韦尔奇就因一头栗色长发和一双棕色大眼睛为人所知。
During her early modeling career, Raquel Welch quickly became known for her long chestnut hair and big brown eyes.
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