drill-bar的用法和样例：
例句
- The drill pipe that was broken has been found.
断了的钻杆被找到了。 - Drill pipe threads are not cleaned in that way.
钻杆丝扣不是那样清洗的。
drill-bar的相关资料：
临近单词
drillrig
drill
drill unit with fertilizer attachment
Drill Regulations for Light Artillery
drilled driven cast-in-place pile
drilling drive cast-in-place pile
drilling driven cast-in-place pile
drilling engineering data logging unit
drilling and fluid -compressing pile
drilling/completion fluid additives
Drilling Bits Development Section Manager
drilling bottom-enlarged grouting piles
