石灰焙燒工考試石灰焙燒工高級(jí)單項(xiàng)選擇題每日一練(2019.01.11)

A.1.5~1.7g/cm³
B.1.1~1.7g/cm³
C.2.1~2.7g/cm³
D.1.2~2.0g/cm³

A.20~50
B.30~70
C.40~80
D.35~65

A.太長(zhǎng)
B.太短
C.太緊
D.太大

A.2~3
B.1.5~2
C.2.5~3
D.3~6

A.5~9
B.2.3~3.4
C.1.8~2.2
D.3~3.36