screw post 车叶柱 ; 螺旋桨柱 ; 螺旋柱
screw post binding 活页裱头装
post screw insert 螺纹套筒埋值 ; 罗纹套筒埋值 ; 罗握棺筒埋值
screw post binder 活页螺柱装订夹
cement screw post 成品螺纹桩
prefabricated screw post 成品螺纹桩
BINDER POST & SCREW SET 公母螺丝组
expanded composite screw post 膨胀复合型螺纹桩
If you were a tiny screw, could you always stand on your own post?
如果你是一颗小小的螺丝钉，你能永远站在自己的岗位？
The wire mount is attached to the radio plate by a mounting post and secured in place with a set screw.
丝山是连接到电台板由一个安装后和担保在的地方，一套螺杆。
Objective To study the effects of expansion fashion and expansion quantity on retention of cement_expanded composition screw post (CECSP).
目的研究膨胀方式和膨胀量对粘固膨胀复合型螺纹桩固位力的影响。
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