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
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相关考题
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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 -
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 -
单项选择题
At normal sea going, we use （） instead of donkey boiler.
A.a heater
B.a pre-heater
C.an exhaust gas boiler
D.the coal burning boiler
