橡胶硫化工单项选择题每日一练(2019.05.10)

A.≤0.25%
B.≤0.15%
C.0.25%—0.6%
D.＞0.6%

A.8.6
B.2.7
C.7.8
D.10.6

A.80
B.50
C.100
D.160

A.2%
B.0.2%
C.＜1.5%
D.＜2.5%

A.压延机
B.切胶机
C.炼胶机
D.以上都不是