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Technology
containing
周 下
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all forms
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in specified order only
Chinese
English
上下浮动周期
period of dipping and heaving
下降周期
falling period
周围介质条件下的试验
ambient test under surrounding media conditions
周期下降波
period down-wave
周期性上升和下降
cyclic upturn and downturn
周期性下沉
periodical settling
周期性下降
cyclic downturn
周期荷载作用下应力强度范围
stress intensity range under cyclical loading
周边下水系统
circumferential drainage system
四
周下
卷顶棚
coved ceiling
在九小时的光周期下
under a 9-hours photoperiod
地下室前空地周围的挡土墙
area wall
地下水位变化周期
phreatic cycle
地下水循环周期
cycle of ground water circulation
起下钻和钻进时间负荷周期
hoisting and drilling load cycles
逆四周地层的倾斜方向而下降的
anaclinal
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