Those generally used additives for cooling water are either anti-corrosion oils or inorganic（）.
In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.
（）are used for anchor gear in marine work where the chains must withstand the corrosive effects of seawater.
The main engine is cooled with fresh water （）is added suitable small quantities of chemicals to prevent corrosion.
The shaft and spare parts（） should be well greased in order to avoid corrosion.
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
The interior of some diesel engine saltwater heat exchangers are protected from corrosion by the use of（）
Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.
Which of the following will be desirable properties of refrigerant?（） (1) non-explosive (2) non-corrosive (3) that it doesn’t react with lubricants
To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of （）.
A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is（）
Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to （）
"Cast iron has poor corrosion resistance to sea water, especially in the presence of bronzes" Implies（）.
Stainless steel is material commonly used for temperatures up to 50℃; beyond that and for severe corrosive conditions other materials are requiredThe bold and italic word “that” probably means （）.
In order to prevent galvanic corrosion，an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?（）
管道防腐（corrosion preventive of pipes）
Distilled water is now largely used on board, this may be corrosive (due to presence of dissolves CO2) and （） to the taste.
“lover-leafing”is a term used to describe corrosive wear at several separate points around liner circumference- iein some cases the liner bore may assume a “clover-leaf”shape（）
Raw lacquer is（）corrosive nature．
The purpose of treating the cooling water of the diesel engine is to（） Ⅰ. resist the scale formation in the cooling chamber Ⅱ.lubricate the engine part Ⅲ.increase thermal capacity Ⅳ.resist corrosion
原文:Painting is the most common way to protect metals from corrosion.译文:涂漆是使金属____________的最通用办法。
Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to __________.
Corrosion and grooving on the blade of an exhaust driven turbocharger is caused by certain components of residual fuel oilsThese components are vanadium, sodium, and＿.
