English translation for "pilot hole"

超钻
导洞
导坑
导向孔
导向钻孔
道洞
定位孔
试坑
引导孔
装配孔

Related Translations:

neophyte pilot:  新飞行员

rear pilot:  后导部

pilot display:  飞行员显示器

pilot joint:  试接

pilot line:  操纵管路导向控制管控制管路皮托管试生产作业线指导行

pilot casting:  标准铸件实验浇注

pilot comparison:  飞行员舱

pilot air:  操纵系统空气先导气流引火空气

pilot diameter:  导向直径引导空直径

apprentice pilot:  实习引航员实习引水人；见习引水人

Example Sentences:

	1.	Discussion on coalmine shaft pilot hole related data processing 煤矿井筒检查孔有关资料处理方法探讨
	2.	Since the inception of this project in 1998 , three pre - pilot holes have been completed and the main hole has reached a depth of over 3500 m 从98年开始，已经完成3个预先导孔的钻探工作，主孔钻进深度已经超过3500米。

Similar Words：

"pilot hand wheel" English translation, "pilot harness" English translation, "pilot heading" English translation, "pilot helmet" English translation, "pilot hoist" English translation, "pilot holes" English translation, "pilot horizontal di lay" English translation, "pilot horizontal display" English translation, "pilot hours" English translation, "pilot house" English translation