Drain line: the hydraulic components leaked oil into the return pipe or tank.
泄油管路：将液压元件泄露的油液导入回油管或油箱。
After turning off the gas or electricity open the drain valve at the tank bottom.
在关闭燃气或电源后可开启罐底的排水阀。
A drain valve is located on the bottom of the tank.
一个排放活门被安装在水箱底部。
Why didn't you fit a drain valve on this tank?
这个箱柜居然没有安装泄放阀。
Drain fuel tank dry into holding tank or a properly labeled diesel safety container.
排干燃油箱至收容箱或适当标志为迪塞尔的安全容器。
Periodical inspection and maintenance of water supply system, supplying pipe, tape and tank, drain pipe.
给水装置的管线、头、箱及排水管道的定期检查和维修。
Leave the drain valve of the holding tank opened.
让贮槽的排水阀打开。
配备排水槽。
配备排水槽。
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