板紧 meaning in Chinese

wrench

Clearance for wrenching nuts , screws and pins
板紧螺母螺钉和销钉的间隙
Specification for design and performance requirements for toggle type panel fasteners
肘杆式面板紧固件的设计与性能要求规范
Timber structures - test methods - joints made with punched metal plate fasteners
木结构件.试验方法.用穿孔金属板紧固件进行组装
Timber structures - test methods - joints made with punched metal plate fasteners
木结构.试验方法.由冲打孔金属板紧固件构成的接头
Specification for design and performance requirements for turnlock , stud - type panel fasteners metric series
转动锁紧螺柱型面板紧固件

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