نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای solid-body kelly bushing:
n: a kelly bushing that i.. cast in a single piece. Compare splitbody kelly bushing. See also kelly bushing.
n: a two-piece kelly bushing that is secured by holddown nuts and bolts passing from the top of the bushing to the bottom of the bushing. Compare solid-body kelly bushing. See also kelly bushing.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
