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- downward drilling holes 下向钻孔
- This power tool is used for drilling holes. 这个电动工具是用来钻孔的。
- Measure rough dimension of drilling hole. 测量打孔珍珠大致尺寸.
- Essential elements of drill hole. 钻孔具有的结构和尺寸因素。
- The drilling machine can do many thingsbesides drilling holes. 除钻孔之外,在钻床上还可以完成多种工序。
- Levelling is usually carried out with vertical drill holes. 整平爆破通常用垂直炮眼进行。
- He is drilling holes in the granite with a steel drill. 他正用钢钻在花岗岩上打眼。
- They drill holes in the ice and drive light trucks over them. 他们在冰路上钻一些洞，然后驾驶轻型货车在路上开过。
- To drill holes in a mirror, you need a special mirror drill bit. 在镜子上钻孔，你需要一个特殊的镜子钻头。
- Should Drill hole on the fuselage reinforcing plate. 要钻在机身的加强层板上。
- The oil well contains merely drilling holes,less than a foot in diameter. 油井仅仅是一些钻孔，其直径不到一英尺。
- Amphioxus body by the rapid movement and drilling holes in the ocean floor. 文昌鱼藉身体的迅速运动而在洋底钻洞。
- This calculation was based on surface trenching and eight diamond drill holes. 这个计算是基于表面挖坑八金刚石钻孔。
- The carpenter drilled holes in the wood. 木匠在木头上钻孔
- He broached out the drilled hole. 他凿大钻孔。
- Just over a hundred years ago men began drilling holes near the places where oil was seen seeping out of the ground . 恰恰在一百年前，人们开始在看来有石油渗出地面的地方附近钻孔。
- Eave wall and the bottom should shoot and should not be handled without drilling holes in the wrong. 檐口和墙下端应呈直线，不应有未经处理的错钻孔洞。
- Remove stem assembly (A) and lock setting by drilling hole and inserting dowel pin (C). 拆卸阀杆总成(A)，并且通过钻孔锁定设置和插入定位销(C)。
- The operation consisted of drilling holes vertical to the fracture line, detecting depth, fastening screws, and so on. 手术垂直骨折线钻孔、测深、丝攻，尾部用埋头器处理后拧入螺钉。
- She laid the picture face downward on the table. 她把那幅画正面朝下放在桌上。
