drilling collar
英
美
钻铤
drilling collar的用法和样例:
例句
We need a short drill collar to put here.
这里要接一根短钻铤。
They have not measured the length of spiral drill collars and monel collars yet.
他们还没测量螺旋钻铤和无磁钻铤的长度。
drilling collar的相关资料:
临近单词
drill
drillpipe
目录
查词历史
英 汉