نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای choke pressure:
n: see back-pressure. choker hitch n: in crane operations, a method of attaching a sling to a load in which one end of the sling is passed around the load, through an attachment or an eye on the other end, and then to the cranes hook. As the load is lifted by the crane, the hitch tightens on the load.
n: A kind of well killing method handling blowout. Adjust the diameter of choke and keep casing pressure.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
