单项选择题
When does auxiliary burner of incinerator put into operation? （） Ⅰ.tart incinerator when it is cold Ⅱ.he sludge for dealing with is little Ⅲ.he sludge for dealing with is large Ⅳ.he water and impurity in sludge are too much Ⅴ.he temperature in incinerator is low Ⅵ.ealing with little solid rubbish
A.Ⅰ+Ⅱ+Ⅲ+Ⅴ B.Ⅰ+Ⅱ+Ⅲ+Ⅳ C.Ⅰ+Ⅳ+Ⅴ+Ⅵ D.Ⅰ+Ⅱ+Ⅲ+Ⅵ
单项选择题 Which of the following is wrong about operation of oily water separator?（）
单项选择题 When oily water separator is operating, which measure （） is wrong.
单项选择题 The following measures can be used to improve oily water separator’s separating effect except （）
