例句與造句

1. Superficial view on workability and mining effect of no . 8 coal seam , 6th district , qianjiaying mine , kailuan
   淺談開灤錢家營礦六采區(qū)8煤層可采性及其開采效益
2. The following new opinions : without caving zone coal layer extraction in efflorescent oxygenized belts ; two effects of blocking water and preventing water flowing fractured zone from going on developing after mining effect ; appropriately enlarging the extraction thickness were presented
   提出了風(fēng)氧化帶煤層開采無垮落帶；受采動影響后，具阻水和抑制導(dǎo)水裂隙帶繼續(xù)發(fā)展的雙重作用以及適當加大開采厚度等新觀點。
3. It's difficult to find mining effect in a sentence. 用mining effect造句挺難的