نمایش نتیجه 1 تا 3 از 3 نتیجه یافت شده برای tong arm:
n: tong arm is perpendicular to its acting force,torque is the largest in this state.
n: the part of the tongs that extends behind the tong jaws, and to which the jaws are attached. A snub line is attached to the end of the tong arm to prevent the tong from turning too far when it is being used to make up, break out, or back up pipe.
n: a relatively long narrow steel projection bolted to the tong arm to which wire rope is attached;suspends the tongs in the derrick.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
