吊杆箍 derrick hoop ; derrick band

锚杆箍 anchor stock hoop

座杆箍 seat post clamp

钻杆接箍 drill rod connecting hoop ; [油气] drill pipe coupling ; drill rod coupling

吊杆端箍 wythe ; derrick hoop ; boom iron

抽油杆接箍 sucker rod joint ; rod collar

钻杆护箍 [油气] protector of drill pipe

横杆索箍 yard parrel

钻杆橡胶护箍 drill pipe rubber