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While the linear motion is actuated by pressure difference of two end spool chamber.
阀芯的轴向运动则由两端阀腔的静压力推动。
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Using a ball end mill to form part of the combustion chamber.
用球头铣刀的组成部分燃烧室。
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Using a ball end mill to form part of the combustion chamber.
用球头铣刀的组成部分燃烧室。
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