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gas analysis
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gas analysis
Encyclopedia
理学
【基本概念】
释
gas analysis
气体分析
以气体物质为分析对象的分析方法的总称。气体指无形状有体积的可变形可流动的流体。一般具有质量小,流动性大,体积与温度和压力有关,无限的可膨胀性,明显的可压缩性和无限的可掺混性等特点。
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timber
timber beam
timber bridge
timber carrier
timber circulation
timber circulation management system
timber column
timber composite beam
timber composite column
timber cutting combine machine
timber drier
timber frame
timber harvesting
timber hybrid structures
Timberlake Wertenbaker
timberline change
timberline/treeline
timber members
timber price
timber production forest
timber production machinery
timber revenue
timber structure system
timber transportation
timbre
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