API 规范 5CT 11 th J55 2-3/8"

API 规范 5CT 11 th K55 2-7/8"

API 规范 5CT 11 th N80 3-1/2"

API 规范 5CT 11 th L80 4-1/2"

API 规范 5CT 11 th C90 5"

API 规范 5CT 11 th R95 5-1/2"

API 规范 5CT 11 th T95 7"

API 规范 5CT 11 th P110 8-5/8"

API 规范 5CT 11 th J55 9-5/8"

API 规范 5CT 11 th K55 10-3/4"

API 规范 5CT 11 th N80 13-3/8"

API 规范 5CT 11 th J55 2"