... 架肘 elbow block; upward elbow block 顶肘 elbow butt 侧顶肘 elbow butt to the side; side elbow ...
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BUTT WELDING TYPE ELBOW 对焊式弯头 ; 对接焊接类型弯头
male elbow for butt joints-body 卡套式锥螺纹对接直角接头体
male elbow for butt joints-assembly 卡套式锥螺纹对接直角管接头
Butt-Welded Elbow 对焊弯头
Butt 90 degree elbow 焊制90度弯头
Butt 45 degree elbow 焊制45度弯头
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