protrude,projection是什么意思

用法例句

Shaft uncovering large degree of dip forceful outburst coal seam technique;

立井揭穿大倾角强突出煤层技术

Numerical simulation of Majiagou mine's outburst on the basis of RFPA-Flow;

基于RFPA-Flow的马家沟矿突出数值模拟

Study on preventing gas outburst experiment by using high-pressure water infused way;

高压注水防治瓦斯突出试验研究