... fully-flameproof motor 全防爆型电动机 fully-graded aggregate 全部级配骨料 fully-guarded machine 全防护型电机 ...
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... 劣级配骨料 poorly-graded aggregate 全级配骨料 fully-graded aggregate 混合级配骨料 blended aggregate ...
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fully graded aggregate 全部级配骨料
fully-graded aggregate concrete 全级配混凝土
fully graded aggregate concrete 全级配骨料混凝土
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