نمایش نتیجه 1 تا 3 از 3 نتیجه یافت شده برای parts of line:
n pi: see parts of line.
n pi: see parts of line.
n pl: the number of times the drilling line is passed (reeved) between a rigs crown block and its traveling block. Typically, a line may have from four to 12 parts. In the case of a four-part line, the line is passed two times between the crown and travelling blocks;a 12-part line is passed six times between the two blocks. The greater the number of parts, the more weight the line able to support. Also called falls.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
