英语词汇“top tray”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	top tray
释义	top tray短语⁸⁴³²⁰⁺⁸ 基本例句顶板,顶盘 Since the cemented backfill body is to be the top tray, so the research of cemented stability should be the key point of mining production technology. 由于胶结充填体作为采场顶板，故胶结体的稳定性研究是矿山生产技术的一项关键工作。 caesv
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