male screw〔名词〕外螺纹详细»
male screw〔名词〕外螺纹详细»
male screw〔名词〕外螺纹详细»
male screw〔名词〕外螺纹详细»
外螺纹external screw thread;male screw;male screw thread详细»
外螺纹external thread;male screw详细»
外螺纹external screw thread;external thread;male screw thread;male thread;outside spin;outside thread详细»
外螺纹external thread;male screw;maleic acid详细»