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- A hole formed by excavating. 洞，穴挖掘的洞穴
- A hole formed by etching through an oxide or insulating layer on a semiconductor wafer for the purpose of permitting diffusion into or deposition onto aselected area of the semiconductor. 为了在半导体中选定的区域内扩散或沉积，在半导体圆片蚀刻氧化层或隔离层形成的孔。
- The field of 500KV switch yard is a pivotal project of the power station and formed by excavating mountain slope. 枢纽项目500KV开关站场地系从陡峭山坡中开挖而成。
- Effect of main parameters on the maximum reduction is analysed.It is significant to make forming technology of deep tine taper hole formed by open-die extrusion. 分析了各主要参数对极限变形程度的影响规律,对指导制定深小锥孔件开式冷挤压成形工艺具有重要意义。
- The third ways of making stencil is electroform. Hole forming by the way of nickel deposit onto the copper cathode. 制作模板的第三种工艺是电铸成型。在这个工艺中，镍沉积在铜质的阴极心上以形成开孔。
- A hole or worn spot made by abrasion or erosion. 侵蚀处由于侵蚀或磨擦形成的洞或破处
- The top of the table was formed by a stone slab. 桌面是一块石板。
- A furrow or groove formed by running water. 犁沟由流水形成的槽或小沟
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- Relacing void former - Coring through beams and slabs for the installation of ducts and pies. Holes formed by coring will be more precise, fast and help increasing productivity. 代替在结构混凝土上留孔-在部份工程因工程关系和时间上须要而不能预先留位以便日后管道安装之用，则多数曾采用钻孔之方法以提高工作效率。
- The mice have nibbled a hole in the cheese. 老鼠在奶酪上啃出了一个洞。
- The opening formed by such a doubled line. 圆孔这样的折叠的绳子所形成的圈
- Their dog bit a hole in my trousers. 他们的狗把我的裤子咬了个窟窿。
- He burned a hole on the ironing board. 他把熨衣板烧了一个洞。
- Having lost my money puts me in rather a hole. 丢了钱使我陷于困境。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- All at once, a rabbit came out of a hole. 突然，一只兔子从一个洞中跑了出来。
- Coral is formed by certain types of polyp. 珊瑚是由某些水螅体构成的。
