Raise side rails and lower bed.
放置围栏, 降低床铺高度。
to lower o.s. into a chair/ onto a bed
屈身坐在椅子/ 躺在床上
In the upper reach the bed was dune covered and in the lower reach it was flat.
上游河段的床面为沙垄所覆盖, 而下游河段则为平整床面。
Stable lowering of Tongguan bed elevation and comprehensive regulation of the lower Weihe River
潼关高程的稳定降低与渭河下游河道综合治理
Application of transient electromagnetic techniques to grouting reconstruction of lower confining bed
瞬变电磁技术在煤层底板含水层注浆改造中的应用
The comparison of effects between the bed upside down and routine methods for discharge stone in lower calyx
倒立排石床与常规排石疗法治疗肾下盏结石的疗效对比
Feasible Techniques of Lower River Bed Formation Through Irrigating Sedimentation in Lower Reaches of Yellow River.
黄河下游淤筑相对地下河的可行性技术
The Renovation and Operation of One Chain Grate Stoker Boiler to Lower Circulating Ratia Circulation Fluidized Bed Boiler.
链条炉排锅炉改造为低倍率循环流化床锅炉及其运行
Integrated model for simulating the sediment transport and river bed evolution in lower reaches of Yellow River in the area of river mouth
尾闾河道及海域整体冲淤数学模型研究
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