backfill是什么意思？backfill怎么读？backfill例句及用法

1 . At last, some suggestions were raised for the concrete backfill mining.

最后对具体的充填开采方法提出了建议.

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2 . A systematical study is made of the stability of backfill in blasting.

对爆破动载下充填体稳定性进行了系统研究.

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3 . This article is good for promotion of backfill .

本文对充填技术的推广,具有一定的参考价值.

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4 . The upward drift stoping with backfill is a mining method with a widespread use future.

上向进路充填采矿法是一种具有广阔应用前景的采矿方法.

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5 . Earth excavation and backfill is to have the appropriate security measures to strictly regulate the construction.

土方开挖与回填是要有相应的安全措施,要严格按规范施工.

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1.回填土

1.架后充填

2. 为使巷道支护受力均匀用充填材料填塞支护物与围岩之间空隙的作业。

1.回填

1.回填

1 . 回填

back-calculation 反算法,反推法backfill回填土,回泥;回填backfilling 回填

2 . 回填土

back-calculation 反算法,反推法backfill回填土,回泥;回填backfilling 回填

3 . 充填

back swamp 河漫滩沼泽backfill充填background value 背景值

4 . 装填

backfielder 后卫backfill装填backfire 逆火

backfill相关短语搭配

1 . 回填物料

backfill 回填；回填土backfill material 回填物料background noise 本底噪声；背景噪声

1 . 回填夯实机

backfill crown 回填土堆backfill rammer 回填夯实机backfill tamper 管沟回填夯实机

1 . 回填土压实机

backfill 回填backfill compactor 回填土压实机backflow barrier 逆止阀

1 . 斗式回填机

backfiller 回填机backfilling bucket 斗式回填机backfilling gang 管沟回填队