Those generally used additives for cooling water are either anti-corrosion oils or inorganic（）.

A、gases

B、paints

C、inhibitors

D、detergent

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更多“Those generally used additives for cooling water are either anti-corrosion oils or inorganic（）.”相关的问题

第1题

[单选题] The use of sinking and dispersing agents for the removal of surface oil is （）.

A、the most common method used in the United States B、too expensive for common use C、generally safe to sea life D、generally harmful to sea life

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第2题

[单选题] Fire protection regulations apply to those towing vessels（）.

A、used only for pollution response B、owned and operated by the US government C、used only within a barge fleeting area D、used only on inland waters

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第3题

[单选题] Place names used should be those （）.

A、specified by international authorities B、specified by national authorities C、on standard map D、on the chart or Sailing Directions in use

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第4题

[单选题] Place names used on board ships should be those （）.

A、specified by international authorities B、specified by national authorities C、on standard map D、on the chart or Sailing Directions in use

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第5题

[单选题] General communications are those communications（）.

A、between ship stations and shore-based communication networks B、concern the management and operation of ships C、may have an impact of the safety on ships D、all of A, B, C

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第6题

[] What type of developing countries would be most likely to use English

A、A. Those geographically close to the United States. B、B. Those interested in the culture of the United States. C、C. Former colonies of Great Britain. D、D. Countries where international conferences are held.

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第7题

[单选题] Cast iron and gunmetal fittings are used freely in small sizes at moderate pressure; large fittings, those for high pressure and temperature are cast or mild steelIn the above sentence, the word “those” means （）.

A、east iron firings B、mild steel fittings C、small fittings D、large fittings

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第8题

[单选题] I saw she was in difficulty with all those parcels, so I offered my（）

A、services B、money C、use D、chance

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第9题

[单选题] In those early days, the boy company's（）business was model railways and cars.

A、useful B、full C、easy D、core