Such as found in oil-immersed motor oil should be replaced into the water and then sealed components.

油浸电机如发现漏油，应更换密封元件后再潜入水中。

youdao

Such as found in oil-immersed motor oil should be replaced into the water and then sealed components.

油浸电机如发现漏油，应更换密封元件后再潜入水中。

youdao