quarrying怎么读，quarrying什么意思，quarrying短语和例句

1.The largest use of explosives during the year was for quarrying and site formation works. The overall consumption of explosives was 2100 tonnes.

年内使用爆炸品最多的是采石工程和地盘平整工程，总消耗量为2100公吨。

2.They were quarrying limestone.

他们在开采石灰石。

3.Experience as a blaster helper in surface mining and quarrying or construction may be required for blasters.

爆破工需要具备地表采矿和采石或建筑爆破帮手的经验。

4.Article 39 The State applies a licensing system for sand quarrying in river courses.

第三十九条国家实行河道采砂许可制度。

5.The diamond wire-saw is a kind of stone machining equipment with flexible cutters. It is widely used in stone quarrying, machining of blocks and various special-shaped stones.

金刚石串珠锯是使用柔性刀具加工石材制品的设备，广泛应用于石材回采、荒料整形、板材及各种石材异型制品加工。

6.They are quarrying in old manuscripts.

他们正在旧手稿中寻找资料。