The final wq writes the file and quits.
最后的wq写入文件并退出。
As before, end with a period on a line of its own, and use wq to write the file and quit.
与前面一样，各个行使用一个句点结束，并使用wq写入文件并退出。
WQ series submersible sewage pump is a reliable, USES an extremely wide range of wastewater sewerage pump.
WQ型系列污水污物潜水电泵是一种性能可靠，用途极为广泛的污水污物处理用泵。
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