通口，读音tōng kǒu，汉语词汇，释义为犹允诺。
烟囱设计、气流控制、火路通口、灶塘铺设及吊火高度，为火路关键技术。
The design of chimney and air current, the gate of fire way, the laying of fire box and adjustment of the flame height, were the key factors of fire way.
根据阀瓣的这种形动形式，阀座通口的变化就是与阀瓣行程成正比例关系。
The diametre of seat turns bigger when flap moves higher and smaller when flap lower.
在各滚筒内分别设置至少一个输送装置，其中，输送带设置在通口的区域内。
At least one conveying device is disposed in the rollers, respectively, while the conveyor belt is arranged in the area of the breakthrough.
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