洗滌工技師單項(xiàng)選擇題每日一練(2019.01.25)

A.45
B.55
C.65
D.75

A.1
B.0.8
C.0.6
D.1.2

A.1-2
B.2-3
C.3-4
D.4-5

A.洗油
B.萘油
C.酚油
D.蒽油

A.10%
B.1%
C.5%
D.8%