常見(jiàn)例句The north No.3 exploration coalway is constructed for supplement exploration by No.912 Driving Team of Lishu Coal Mine. 梨樹(shù)煤礦912掘進(jìn)隊(duì)施工北翼3%23探煤巷做為補(bǔ)充勘探。 返回 coalway