The injector pump is operated by a cam which drives the plunger ().
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The effective pump stroke of an individual port-and-helix fuel injection pump is determined by the ()
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The ()pump is usually used as the lubricating oil pump.
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The amount of fuel delivered by a unit injector is controlled by the ()
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Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of().
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When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer,the ()
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The basic function of the centrifugal pump impeller is to ().
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A centrifugal pump vibrates excessively during operationUpon disassembling the pump it is found that the impeller is out of balanceWithout an available spare, you should ().
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Which pump is the self-priming pump?()
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The plunger in the fuel injector pump, usually operated by a (), is driven up and down when working.
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A pump is said to have "negative suction head" when the pump is located ().
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The amount of fuel injection into a diesel engine cylinder by a unit injector, is controlled by()
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The injector pump is operated by a cam which drives the () up and down.
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The fuel injector pump is operated by () which drives the plunger up and down.
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It is known that the name of Peking opera is related to the birthplace of it.
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The opera Flora Fidelis is going to open tomorrow at the Opera House.
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_________is of utmost importance in the performance of Peking Opera, because first of all, Peking Opera is such kind of art.
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The sheng is the female role in Peking opera.
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The virtuality of Peking Opera consists of two aspects: one is virtual movements, and the other virtual settings.
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Which play is not the representative play of Mei Lan Fang in Peking Opera?
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Which one below is not the most typical characteristic of Chinese Peking Opera?
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What is not one of the four basic skills of performance in traditional Chinese operas?
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悉尼歌剧院全世界闻名.Sydney Opera House is __ all over the 悉尼歌剧院全世界闻名. Sydney Opera House is __ all over the __.
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When the relief valve is used as a constant pressure valve, it is connected to the outlet of the hydraulic pump to ensure that the outlet pressure of the hydraulic system (pump) is constant.
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京剧是中国最具代表性的传统戏曲,主要用胡琴和锣鼓等伴奏,被称为________ 。 Peking opera is the most representative traditional opera in China. It is mainly accompanied by instruments such as huqin and gongs and drums. Peking opera is called ________.
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