... permanent flow 稳定流动;稳定流,定常流 permanent ground 永久接地的,固定接地的 permanent hardness 永久硬度(水的);永久硬度 ...
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perched permanent ground water 永久悬着地下水 ; 常静滞地下水
permanent ground-water level 常年地下水位
permanent ground fault 永久接地故障
Permanent Ground Deformation 地表变位
permanent ground displacement 永久位移
Tehran Permanent Fair Ground 德黑兰国际展览中心
Tehran Int'l Permanent Fair Ground 场馆名称伊朗德黑兰国际展览中心
Permanent Prestressed Ground Anchor System 永久性预应力地锚桩基系统
permanent prestressed ground anchor systems 永久性预应力地锚桩基系统〔公共工程类别
Permanent workers, even at big companies such as Nissan and Panasonic that have announced deep job losses, are on relatively surer ground.
甚至连尼桑和松下这种大公司都已经宣布了大规模的裁员,永久职工也只是相对还比较安全罢了。
And for Mars, they've built models (some digital, some physical) for all the elements of a permanent base-living quarters, research LABS, hydroponic gardens, even the ground-exploration vehicles.
对于火星,他们已经建立了所有的永久性基地驻地的元素模型(有的是数字模型,有的是实体模型)——居住地、研究实验室、营养液栽培花园、甚至还有地面探测车。
The paper presents various temperature control measures taken in ground concrete placement at permanent lock of Three Gorges Project during summer construction of 1999 .
介绍了三峡工程永久船闸地面混凝土在1999年夏季施工中所进行的各种温控措施。
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