防漏双拉链封口 Leak Proof Double Zipper Seal
双拉杆 duplex pull rod
双拉扭锁 twistlock semi automatic dougble wire ; semi-auto twistlock double wire handle ; Side Twistlocks
双拉双扯 double hauls
双拉线式 double span wire system
高强度双拉伸梯 YQSLT
双拉链 Suttont
双向拉伸尼龙 BOPA ; BONY ; ONY
双向拉伸聚丙烯 BOPP ; BOPP Biaxially oriented polypropylene film ; Biaxially Oriented Polypropylene ; OPP Oriented Polypropylene
双拉杆版桩 Double tie rods sheet pile
我们拿双拉与单拉做对比。
双拉，跳针装置和自动在一个统一的质量完成刀具的结果。
Double puller, skip stitch device and automatic cutter result in a uniform quality finish.
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.
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