放电管;
Whether or not the installation of the discharge tube and discharge valve closed?
是否安装了排泄管并且排泄阀闭合?
Shell pumps up liquid outlet 8 connected with the discharge tube 9.
泵壳上的液体排出口8与排出管9连接.
Once again he put his hand between the discharge tube and the screen.
他再一次把手伸到放电和屏幕中间.
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