screw connection meaning in English

螺纹管节
螺旋接头

Pipeworks . screwed connections for pneumatic tools and machines
管道.气动工具和机械的螺纹连接管
Screwed connections for non - metallic flexible hose hose for watering etc .
非金属软管的螺纹连接件
Screwed connection for handles and brooms ; screw cap and screw plug
手柄和扫帚用螺钉连接.螺帽与螺塞
Tripod connections for cameras and accessories ; screw connections
照相机及其附件用三角架连接件.螺钉连接件
Production in optical engineering ; screwed connection with fitting part
光学工程的生产.具配合零件的螺纹连接

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