screw-threaded steel
【机械工程】螺纹销（Ｓ）
screw-threaded STUD(S)
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相关词条
screw-threaded connection (screwed connection)
screw-threaded stud
screw-threaded connection (screwed connection)
screw-threaded stud
screw-threaded joint
screw-threaded joints of pipes
screw-threaded joint