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輪機英語單項選擇題每日一練(2019.07.25)
來源:考試資料網(wǎng)
1
A simple pumping system consists of a suction branch, a pump and ().
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2
Thermostatic expansion valves can be adjusted for ().
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3
A pressure drop through the refrigerant liquid line may cause ().
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4
All of the following operating characteristics are listed on the name-plates of motors used aboard ship except the()
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5
The power output of a turbocharged diesel engine will drop if the cooling water flow through the after-cooler is interrupted because the ().
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