管靴[guǎn xuē]
(用作槽子或管口的装置) shoe
1. pipe boot:pipe bit 管钻 | pipe boot 管靴 | pipe bushing 管衬套
1. 911查询·英语单词
1. 这些措施减少钻孔事故,节约了钻具、管靴和套管损耗,提高了工作效率,节约工期。
These measures reduce the drilling accident, saving the drilling, casing pipe boots and losses, improve efficiency, save time.