engineering driller造句

例句与造句

1. The practice amp; improvement of refit head dual channel reverse circulation main shaft about g - 3 engineering driller
   3工程钻机动力头双通道反循环主轴改装实践
2. The practice amp; amp; improvement of refit head dual channel reverse circulation main shaft about g - 3 engineering driller
   3工程钻机动力头双通道反循环主轴改装实践
3. It's difficult to find engineering driller in a sentence. 用engineering driller造句挺难的