نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای block valve:
n: a valve that completely shuts off flow of a fluid. It is usually either completely open or completely closed.
valve that blocks flow into the downstream conduit when in the closed position.
a downhole valve in the tubing string used to isolate the string and allow a kill without having fluid on the formation.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
