洁具的英文：
sanitary installation (plumbing installation)

Sanitary ware, ie toilet bowls,etc
洁具(抽水马桶等)

Countermeasures against insects are part of the sanitary environment and sanitary cleanup
抗昆虫的对策也是环境卫生和清洁卫生的一个部分。

and to reaching an agreement on sanitary and phytosanitary issues.
并就卫生与植物卫生问题达成协议

Epidemic disease is often in connection with bad sanitary conditions.
流行病通常是和不良的卫生条件有关的。

heating installation
暖气设备|供暖装置

Another installation is already in progress. Complete that installation before proceeding with this install.
正在进行另一个安装操作。请在继续这个安装操作之前完成那个操作。

instal(l) a college president
任命学院院长

This is a plumb wall.
这是一面垂直的墙。

hydraulic plumbing system
液压管路系统

To determine the depth of with a plumb.
测量深度用铅锤来测定深度。