单项选择题
A.horse power B.high pressure compressor C.hand pump D.high pressure
The remaining oil/water mixture now flows down into the...
单项选择题The remaining oil/water mixture now flows down into the fine separating compartment and moves slowly between the（） in the Turbulo separator.
A.catch plates B.swash plates C.cover plates D.bedplates
The oil （） in the discharging water from oil water sepa...
单项选择题The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out.
A.filter B.hole C.pollution D.content
The internal part of boiler should be cleaned by yard i...
单项选择题The internal part of boiler should be cleaned by yard if found （）.
A.scaled B.worn C.deformed D.rested
