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。

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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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The sediment discharge of rivers with cultivated waste land of dry farm, population density are indirect proportion, it with forest cover degree, per capita output of grain are inverse proportion.

河流输少量与旱坡耕地垦殖率、人口密度成正比，与森林覆盖率、人均占有粮食成反比。

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