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1·Before the construction sections start up, we should work the intercepting drain and barrel drain of the balanced sections well, to make sure the drainage unhindered.

各施工段开工之前，首先做好填挖方段的截、排水沟，确保排水顺畅，软土段的路堤段优先进行处理。

2·Drain off the rest of the wine from this barrel.

把桶里剩余的酒排出去。

3·Firstly, we have to drain all the water from the barrel.

首先，我们必须把水从桶中排出。

4·External drain coolers often leaks from the steam blowed barrel or tubes of the early 200MW units, which have an effect on safe and economic operation of the units.

早期投产的国产200MW机组因设备老化，其外置式疏水冷却器经常会产生汽侧筒体被蒸汽吹蚀及钢管泄漏等故障，影响了机组的安全运行和经济效益。