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- When erosion ceased, the bed surface was observed to be covered by a thin layer of sticky material. 当冲刷停止时可以观察到床面上覆盖着一薄层粘着物质。
- Instruct the client to assist in moving by using the trapeze bar if available or by pushing on the bed surface. 让病人利用可用的横杆或按在床面上帮助移动。
- Open the exit to make the eluent flow out till the bed surface meets the liquid surface, shut off the exit. 3.;加样品：打开螺旋夹使柱面上的洗脱液流出，直至床面与液面刚好平齐为止，关闭下端出口。
- Before turns the soil, when hypha growth to ground or bed surface 2/3 , it must be to promptly turn the soil. 覆土前，菌丝生长离地面或床面三分之二时，要及时覆土。
- The bed surface is welded by the high quality cold rolled steel whose surface is smooth,flat,durable and fadeless. 床面采用优质方管焊接喷塑而成，表面光滑平整，抗磨不退色。
- Its main work includes the Yellow River sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on. 其主要工作内容包括黄河河道断面淤积测验，河道表层河床质取样及颗粒级配分析等工作。
- The emission of gas species from bed surface is also satisfyingly simulated and O2, CO2 concentration in flue gas agree with the experimental data better than CO. 模拟计算得出床层表面产生气的体变化趋势能反映垃圾燃烧进程, O2和CO2模拟结果与实验值吻合较CO要好。
- The bed surface is divided to back board and seat board.The dentiform bar lifting framework is operated by hand wheel.Back board can be fold up and down to suit various body positions. 床面分背板，座板，通过手轮操作齿箱条升降结构，背板可以上折、下折，以适合各种体位的需要。
- The preliminary result indicates that Reynolds number and Froude number of overland flow tend to increase as slope gradient increases in the condition of same bed surface and flow discharge. 初步得出以下结论：(1)在床面和流量相同条件下，坡面流雷诺数和佛汝德数均随坡度的增加而增大。
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- She rushed off to work leaving her bed unmade. 她匆忙去上班连床都没铺好。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A mosquito netting completely surrounds our bed. 一顶蚊帐把我们的床完全围住了。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- It was hard work getting the children off to bed. 哄孩子们去睡可不是容易的事。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- I threw off my clothes and tumbled into bed. 我脱掉衣服倒在床上便睡了。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
