的意思 blasting saltpeter

1. The miners were blasting saltpeter to extract the ore from the rock.
矿工们在爆破硝石以从岩石中提取矿石。

2. The sound of blasting saltpeter echoed through the valley.
硝石的爆破声在山谷中回荡。

3. The engineers carefully planned the blasting of the saltpeter to avoid any accidents.
工程师们仔细规划了硝石的爆破，以避免任何事故。

4. The workers wore protective gear while handling the blasting saltpeter.
工人们在处理硝石的时候穿着防护装备。

5. The use of blasting saltpeter has significantly increased the efficiency of the mining operation.
硝石的使用显著提高了采矿作业的效率。

6. The authorities issued a warning to nearby residents before the blasting of the saltpeter began.
当硝石开始爆破之前，当局向附近居民发出了警告。