The operation of circuit is very lightly dependent on line and load conditions .
线路的操作是非常轻轻的依赖在线和负荷情况上。
Seating load and tightness is dependent on back pressure.
阀座密封负载和紧密性与反压力相关。
Seating load and resultant tightness is dependent upon back pressure.
阀座密封负载和组合的紧密性是与返回压力密切相关。
Seating load and resultant tightness is dependent upon back pressure.
阀座密封负载和组合的紧密性是与返回压力密切相关。
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