您要查找的是不是：
- HS type Ring Hammer Coal Crushe. HS型环锤式碎煤机。
- BS Wave Screening Machine Application on Coal Crushing System BS波动筛煤机在煤破碎系统中的应用
- Dust Recovery Unit for Self-made Lump Coal Crushing Machine 自制块煤破碎机的粉尘回收装置
- Rebuilding Design for Coal Crushing Room in A Power Plant in Guangzhou 广东某发电厂碎煤机室的改造设计
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- They eked out their coal by collecting firewood. 他们拣拾木柴以补充煤的不足。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- Startup and shutdown of coal crusher 碎煤机的启动与停止
- Study on the hard top coal crushed by blasting 放顶煤开采爆破破碎硬顶煤研究
- Pile on more coal the fire is going out. 火快灭了，再加上些煤。
- What can we do with the bituminous coal? 这些烟煤可以用来做什么？
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来，烧坏了地席。
- The country is rich in oil and coal. 这个国家石油和煤的资源丰富。
