... rim (1)边缘，凸缘(2)轮辋(3)齿圈，齿环(4)垫环 rim of tube镜筒垫圈 rim ray 边缘光线，沿边光线 ...
双语例句
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This paper introduces the characteristics and PLC control system ofrim-crimping machine for automobile silencer tube, which includes machinery, hydraulic and programmable controller technique.