For example, if one portion of pipe is in heavy clay soil and another is in well-aerated sandy soil, the portion in the clay will corrode with respect to the portion in the sand.
例如，管道的一部分在重质粘土中，另一部分在透气好的砂土中，粘土内的管段相对于砂土内的管段被腐蚀。
2
Formalin removes oxygen from the water, so it is imperative that the treated water is wellaerated.
福尔·马林删除氧气从水，因此，当务之急是经处理的食水是加气。
3
They also found that the water became wellaerated and that populations of important food-chain insects such as mayflies, stoneflies and caddisflies grew.