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Элс хайрганы үйлдвэр барихад юу хэрэгтэй вэ
Элс хайрганы үйлдвэрлэлийн хэрэгцээ юу вэ. элс боловсруулах үйлдвэр vsi. VSI. Seat Temperature Ratings Cv Values Valve Sizing Coefficients (USGPM 1''''P) 4 VALVE SOLUTIONS INCVSI Cv Values and Seat Ratings Cv is the number of gallons of water @ 60° F that can flow through a valve opening in one minute when there is a ...
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