engineering driller中文什么意思

工程钻机

• engineering:    n. 1.工程(技术)，工程学。 2 ...
• driller:    操练员, 钻床, 钻机, 钻探工; ...
• a istant driller:    副司钻

例句与用法

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