screw threaded coupling 中文意思是什麼
screw threaded coupling
解釋
螺紋鎖緊-
Butt welding, electro welding, sleeve coupling, ring seal socket, expansion socket, screw - threaded joint and flange
對焊,電熔焊,承插連接,螺紋連接和法蘭連接。
分享友人