螺釘扣緊 的英文怎麼說
中文拼音 [luódīngkòujǐn]
螺釘扣緊
英文
screw fastening-
Specification for rigging screws and turnbuckles for general engineering, lifting purposes and pipe hanger applications
一般工程起重和吊管器用菘緊螺釘和螺旋扣規范
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