词汇	newshand
释义	newshand 🌏新春
随便看	underground chambercavern underground chamber group underground chambers underground channel underground chilled-water pipe underground chisel rock equipment underground church underground cinema underground circuit underground city underground closed wall underground coal banker engineering underground coal fire underground coalgasification underground coal gasification underground coalgasification station underground coal gasification station underground coalmine Underground Coal Mine underground coal mine environment underground coal mine staff underground coal mining underground coal mining district underground coal mining method underground coking