Currently accepted use most is the PPR pipe, plastic pipes, such as aluminum composite pipe drain is PVC pipe.

目前公认使用最多的供水管是PPR管、塑铝复合管等，排水管是PVC管。

youdao

Since it has a curve like a drain pipe, water will get caught there and keep bugs from getting into the tank.

由于它和排水管一样有一个弯道，里面就存有一些水把虫子挡在水箱外面。

youdao

Now you can connect the rubber hose to the galvanized drain pipe by cutting off the end connector and fitting with a hose clamp.

现在可以用管钳把软管头连同其配件切掉，把软管和镀锌管联接起来了。

youdao

The material then bonds to the inside of the pipe and the resin cures or hardens, creating a new pipe within the pipe and restoring the integrity of the drain or sewer.

BBC: Sewer renovation work to begin in Glastonbury

Network Rail said workers were laying a pipe underneath the track to allow the water to drain away onto the other side.

BBC: Bridgend flooding: Brackla flats evacuated

The second suggests that a rod-like plug can block the hole by slipping across it sideways and stopping large ions from passing, rather like a drain cover stops leaves from entering the mouth of a pipe.

ECONOMIST: Synthetic biology: Expanded vocabulary | The