1) What is that? a) Roadheader b) Shaft mucker c) Raise borer d) Slusher 2) What is the equipment you can see in the picture? a) excavator  b) belt conveyer c) dump truck d) Roof bolter e) 3) What is that? a) Front-end loader b) Raise borer c) belt conveyer d) Stamler 4) What is that? a) Continuous miner b) Bulldozer  c) belt conveyer d) Slusher 5) What is that? a) Roadheader b) Continuous miner c) Raise borer d) Front-end loader 6) What is that? a) Shaft mucker b) Slusher c) Shearer d) Bulldozer 7) What is that? a) Bulldozer b) dump truck c) excavator d) shuttle car 8) What is that? a) Shearer b) belt conveyer c) Roadheader d) Continuous miner

Mining

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?