Can you take a stainless cane with 3 mm in diameter and drill a hole of 2 mm alongside the cane at the depth of 3 cm?
你能否用一根直径为3 mm的不锈钢棒，在旁边钻出一个直径为2 mm、深度为3 cm的孔？
Alongside the mining depth goes deeper every year in the east and middle parts of our country, geological disasters become increasingly.
我国东部和中部矿区开采深度逐年加大，地质灾害事故随之增多。
The site confines itself to 2.5 m depth and 6.5 m width. Although its scale is quite humble but with it the capacity of light utilizing and ventilation as it stretches alongside the narrow alley.
房子被局限在一个6.5米宽、2.5米深的地块上，虽然空间促狭，但是由于它是沿着小巷横向布置，房子的采光和通风能力都是极好的。
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