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【单选题】

Properties of a good refrigeration oil include（）

A、low wax content

B、high pour point

C、high viscosity

D、all of the above

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更多“Properties of a good refrigeration oil include（）”相关的问题

第1题

[] Constant cooling the various components of diesel engine has a number of functions except for （）.

A、A.good lubrication B、B.low thermal stress C、C.good mechanical properties D、D.acid corrosion

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第2题

[单选题] As for turbine oil, contacting with water in the form of steam will be inevitable so good （） properties will be essential.

A、defrosting B、de-oiling C、demulsifying D、dehumidifying

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第3题

[单选题] The cylinder oil will have to neutralize the acidic products of combustion and have good （） properties to keep the metal surfaces clean.

A、detergent B、de-oiling C、defrosting D、demulsifying

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第4题

[单选题] The garden（）while the Greens were away from home.

A、took good care of B、was taken good care C、was taken good care of D、was taking good care

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第5题

[] As for turbine oil, contact with water in the form of steam will be inevitable so good （） properties will be essential.

A、A.defrosting B、B.de-oiling C、C.demulsifying D、D.dehumidifying

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第6题

[判断题] When freight forwarder pack the goods on behalf of exporter， should take into account the quality of goods.

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第7题

[判断题] When freight forwarder pack the goods on behalf of exporter， should take into account the quality of goods.

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第8题

[] When freight forwarder pack the goods on behalf of exporter， should take into account the quality of goods.

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第9题

[判断题] A bill of lading， severing as a document of title to the goods， transfers the title to the shipped goods from the consignor to the buyer.

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