rate of advance是什么意思 rate of advance怎么读
rate of advance的用法和样例
- Under gassy coal seam condition, the full-heading development is employed.Because of the fast heading a high rate of gas emission arises.
在瓦斯含量较大的煤层采用综掘掘进巷道，由于掘进速度快，出现了瓦斯涌出量过大的现象。 - Light infantry forces form a skirmish line to slow the enemy advance and keep their own line unmolested by enemy skirmishers.
轻步兵用以组成散兵队形以迟滞敌军的前进速度，并驱逐敌军轻步兵以防他们骚扰本军阵线。
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