Most of the businesses used to pour all their oil waste into drain pipes.

大多数企业过去所有的废油直接倒进排水管。

There's a ledge and a drain pipe. Use your imagination. Now, out!

那里有水管，发挥你的想象力，滚!

There's a ledge and a drain pipe. Use your imagination. Now, out! All right, I'm going.

好吧，我走了等等! 你在试验我的爱？

Enough for me to find my way up a 20-foot vertical drain pipe without using a ladder.

足够让我不用梯子来爬20的 垂直下水管道。

45.the drain pipes to be installed from the boiler flat and hot water well flat to bilge well for leading the waste oil water.

排放阀应装在从锅炉底和热水井底到污水井用于导废油废水。