Test and research work is carried out on engine test bench to survey the effect of gum content in gasolene upon gasolene engine power and harmful exhaust gas emission density.

在发动机试验台上进行了汽油中胶质含量对汽油机动力性和有害气体排放浓度影响的试验研究。

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The new rail booking engine has been developed on the basis of an extensive usability test and interactions with customers.

新的火车票预订引擎，是在进行了一次深入的实用性测试和与客户互动的基础上开发的。

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The news, coming after an incident involving an engine on Rolls-Royce’s test bench, rattled investors and air passengers. Yet their reaction is overblown.

在劳斯莱斯试验工作台发生的含有引擎原因的事故后，这则消息令投资者和乘客大为光火。

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The repair shop put an engine on a test bed, attached sensors, hooked it to computers, and tried every possible combination of gas and air.

FORBES: Institutional Stupidity, III

The engine is mounted on a test-bed and attached to a computer-controlled dynamometer, which is used to apply an adjustable load.

ECONOMIST: Car design

The CR test car got about 30 mpg on premium fuel, and about 27 mpg on high-test when the engine was running.

FORBES: CBO Finds Electric Cars Not Smart: Toyota Pulls Plug On Its iQ