... gas injector 注气井 gas input well 注气井 gas repressuring 注气保持压力 ...
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The utility model can be used for switching two kinds of gas as well as correct adjusting the air input of the primary admission port with the air supply difference, thereby having a simple structure.
它既能用于两种燃气转换使用,又能随 气源不同而适当调节一次进气口空气进气量,结构简单。
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