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？
2
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。
3
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.