... 3.7 7 直接排放 direct discharge 3.8 8 间接排放 indirect discharge 准规定，换算水污染物基准水量排放浓度。 E ...
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Normal discharge and nuisance spitting are accommodated by the use of a Watts air gap fitting and a fabricated indirect waste line.
采用美国瓦茨气隙连接件和预制导向水管线，可能会伴随正常的排放和有害的喷溅。
Results show that the arc was burning between the two wires in twin-wire indirect arc welding, and the arc was still a type of gas discharge in nature.
结果表明，双丝间接电弧气体保护焊在两丝端部形成电弧，其电弧本质仍然是气体放电的一种表现形式。
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