A.班長(zhǎng) B.隊(duì)長(zhǎng) C.瓦檢工 D.安檢工
A.月、旬匯報(bào) B.周匯報(bào) C.專題匯報(bào) D.每班匯報(bào) E.天匯報(bào)
A.厚煤層95% B.厚煤層93% C.薄煤層98% D.薄煤層97% E.中厚煤層95%