筑炉工中级筑炉工单项选择题每日一练(2019.01.23)

A.8
B.16
C.24
D.30

A.1460
B.1500
C.1540
D.1580

A.7~12
B.8~13
C.9~14
D.10~15

A.-4
B.0
C.+5
D.+10

A.50%
B.60%
C.70%
D.80%