... double fare 双程票价 double fastening 双排钉 double fault indicator relay 复式故障指示继电器 ...
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double and single fastening 单双板固定法
Auto double eyelet fastening machine 全自动双眼鸠目机
double strongs fastening motion tool 双串卡
double-pole fastening steel pipe scaffold 双排扣件式钢管脚手架
Parts with threads used for joining and fastening are called screw fasteners. The most widely used components as screw fasteners are bolts, double screw bolts, screws, nuts, washers.
用螺纹联接并起紧固作用的零件称为螺纹紧固件。常用的螺纹紧固件有螺栓、双头螺柱、螺钉、螺母、垫圈等。
The utility model discloses a double thread fastening device.
本实用新型公开了一种双头螺纹紧固装置。
The fastening structure can be widely applied in engines which adopt four-valve double-overhead camshaft structures.
可以广泛应用于四气门双顶置凸轮轴结构的 发动机。
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