main control valve compartment

基本解释主控阀室

网络释义

1)main control valve compartment,主控阀室2)main valve chamber gasket,主阀室垫3)control valve plug,控制阀室4)main valve chamber upper gasket,主阀室上垫5)main valve chamber upper cover,主阀室上盖6)main valve chamber bottom cover,主阀室下盖

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