Fuel injection valves should be taken out, cleaned, and lifting checked every （）.
To clean up old records that are in a Flashback Data Archive and are past the retention period， what must the DBA do？（）
The internal part of boiler should be cleaned by yard if found （）.
All the cargo holds must be（）cleaned out（）meet the requirement of the cargo surveyor.
The fine filters will be arranged （） one can be cleaned while the other is operating.
The pressure difference before and after the lube oil filter indicates （）the filter should be cleaned.
The need for insulation cleaning may be determined by （）
During the dock repair, each sea valve must be disassembled, cleaned and ground well.Before it reassemble the sealing surface between the valve and the valve seat should be checked by （）
You are on watch at sea a man falls overboard on the port side, forward near No. 1 hatch. What of the following should you do first?（）.
The cleaned heated oil, after passing through the centrifuges, is to be pumped to a （）.
Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular intervals in order to remove（）
The inner part of the condenser should be cleaned with （）.
Must we clean the house now? No, you _______.
The formation of Pit No. 1 can be divided into _______ main parts.
__________ the classroom needs to be cleaned.
Must we clean the house now?No, you _______.
When Lao Zi said “上善若水”, he must be thinking about the clean and pure of water.
What is the No.1 rule a lady must keep in mind when dressing for an office party?
Fine water for the tea must be sweet, , clean and flowing.
He‘s watching TV？ He’s ________ to be cleaning his room.
He's watching TV？ He's ______ to be cleaning his room.
During the dock repair, each sea valve must be disassembled, cleaned and ground wellBefore it reassemble the sealing surface between the valve and the valve seat should be checked by ____.
34.The formation of Pit No. 1 can be divided into _______ main parts.
He's watching TV？ He's_____to be cleaning his room.
