Cement wash is used for fresh water tanks and double bottom tanks. ()
第1题:
As mentioned,“grey water”can be used to______.
A.wash the car
B.water the garden
C.clean the toilet
D.dispose of wastes
第2题:
第3题:
As mentioned,‘grey water’ can be used to_,
A.wash the car
B.water the garden
C.clean the toilet
D.dispose of wastes
第4题:
cement wash()
第5题:
()(沥青) is used in bilges and peak tanks.
第6题:
第7题:
After leaving the port, we used ()to clean the empty holds and decks.
第8题:
Gear pumps are widely used to transfer any one of the following but .
A.fuel oil
B.lube oil
C.hydraulic oil
D.fresh water
第9题:
水泥涂料用于淡水舱和双层底舱。()
第10题:
()are the three different coatings which can protect metal from corrosion.