undertone n.低音,浅色,小声...undertook undertake的过去式...underutilize vt.未充分使用...undervaluation n.低估,轻视低估价值...undervaluation duty 低估税...undervalue vt.低估...之价值,低估,...undervalued currency 估值偏低货币...underveloped property 未开发的财产...undervest n.汗衫,汗背心...undervoltage 欠压...undervoltage protection 欠压保护...undervoltage relay 欠压继电器...undervoltage release 欠压释放器...undervulcanization 欠硫化...underwaist n.衬里背心,儿童内衣...underwate sound projector 水底声音投射器...underwater a.在水中的ad.在水下水面下...underwater cutting 水中切削,水中切断...underwater exercise 水中运动...underwater line 水下管线...underwater long-range missile system 水下远程导弹系统...
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