The composition of air intake system of EMS for motorcycle, including the air metering and controlling proposals are introduced in this paper.

本文介绍了电喷摩托车进气系统的组成以及电喷系统对空气进气量的计量和控制方式。

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The composition and levels of air pollution vary from place to place.

空气污染的成分和程度在各个地方都不尽相同。

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The composition of main air blower set of catalytic cracking unit. The different types of blower and its different inlet pipe system arrangement were recommended.

介绍了催化裂化装置中主风机机组的组成，以及不同型式的鼓风机其入口管系的不同配置。

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"The text of the Clean Air Act makes plain that Congress intended it as a measure to 'clean' the air of pollutants, not to alter the overall composition of the Earth's atmosphere, " argues the Alliance of Automobile Manufacturers, an auto industry lobbying group, in a brief.

FORBES: Supreme Court Takes On Global Warming?