压实机
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marqueusepresse à compacter 模压机
vibro-soil compacter 振动打夯机
punning
Based on FBG OSW, the designed ROADM not only maintains the original merits, but its structure becomes more compacter, smaller and easier for system integration.
本文制作的ROADM,以光纤光栅光开关为核心模块,不仅保持了ROADM原有的优点,而且结构更紧凑,器件的体积更小,系统集成更容易。
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