The strength of a screw fastener increases with the square of its diameter.
螺丝紧固件的拉张力随其径长呈平方增长,其扭矩则呈立方增长。
Fracture analysis of screw fastener was carried out by means of metallography and scanning electron microscope.
采用光学显微镜、扫描电镜等测试手段,对断裂紧固螺钉进行了分析。
The invention generally relates to a drive socket and more particularly to an improved drive socket design for fixation and a screw fastener.
本发明一般地涉及驱动套头,并且更具体地涉及用于固定及螺丝紧固件的经改进驱动套头设计。
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