... primary input assignment technique 初始输入赋值法 primary input port 初级输入端口 primary input state 初始输入态 ...
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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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