extract coal

开采煤炭：从地下或露天矿床中开采煤炭。

常用释义

开采煤炭：从地下或露天矿床中开采煤炭。

例句

The company envisioned opening the sides of two mountains to extract coal.

这家公司打算挖开两座山的山坡采煤。

Miners had to dig deeper to extract coal, which became uneconomical.

为了提高产量，矿工不得不向更深处挖掘，这变得越来越不合算。

Design of the Hydraulic System of Extract Coal Filter Press

压滤机液压系统设计

Study on Technique to Extract Coal and Coke Together

煤焦共采采掘工艺初探

更新时间：2025-06-11 04:56