环垫 meaning in Chinese

ring joint gasket

Oval metallic ring gaskets for steel pipe flange joints
钢制管法兰连接用椭圆形金属环垫
Octagonal metallic ring gaskets for steel pipe flanges joints
钢制管法兰连接用八角形金属环垫
Metallic ring joint gaskets for pipe flanges
管法兰用金属环垫
Dimensions of metallic ring - joint gaskets for use with steel pipe flanges
钢制管法兰用金属环垫尺寸
Specification for metallic ring gasket for steel pipe flanges joint
钢制管法兰连接用金属环垫技术条件

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