掘进工作 meaning in Chinese
heading work
headwork
Examples
- Hard heading work
石硐掘进工作 - Kkl102 air refrigerator for mines application is used to lower tempdrature of underground coal mines , and it can decrease the temperature of mining work surface of 14 ? section from 32 to below 26 rapidly
Kkl102矿用空气制冷机用于降低地下煤矿工作面的温度，能迅速将断面为14 ?的掘进工作的温度由32降到26以下。