Air pump of the aliquation pipeline must be smooth, but should be minimised, pipe joints to seal well, often hand on join site check exception, the repairs should be.

• 气泵的呼气惯道一定给凹凸，而且答越长越好，惯的接洽处给密封好，必然用手不收在拆闭部位查抄，如有变态，则答准时补葺。