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- Bottom surfaces of strata 地层底界面
- The bottom surface of any a cave or lake etc.. 洞或湖等的底部的表面。
- The reason causing shrinkage defect was analyzed,and the following measure was adopted: setting chills on both the top and bottom surfaces of the casting. 对引起缩松的原因进行了分析,并采取了相应的工艺措施,上下底面同时加冷铁,消除了缩松缺陷。
- A package with pins distributed over much or all of the bottom surface of the package. 一种封装,插脚分布在封装底部的大部分或全部表面。
- In acid pulp,dodecylamine can be fairly adsorbed on each surfaces of kaolinite for the similar surface properties of (001) surface and {001} resulted from the H+ adsorption on the bottom surface. 在酸性条件下,矿浆中存在大量游离的离子,高岭石的(001)面吸附H+而使其表面性质与{001}面性质相似,十二胺能够较均匀地吸附在高岭石的各个解理面上。
- One or more drive-units are mounted on the bottom surface of the dome-shaped top enclosure, and fire downward at a curved conical diffusor/reflector. 一个或多个驱动器单元安装在圆顶的底面形顶部外壳，消防向下弯曲的锥形扩压器/反射。
- 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。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- According to Elitism, eliteshold the top of stratum. 精英论认为，精英占据社会结构中顶层的位置。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Distance between anvil and bottom surface of guide 下砧面至锤杆导承下端面距离
- The surface of the lake is quite still. 湖面相当平静。
- bottom surface of asphalt concrete pavement 沥青混凝土面层底面
- The surface of the water was dimpled by the breeze. 轻风拂动水面，荡起了涟漪。
- Both the top and bottom surfaces are black and the mid-plate is pea green. 上下表面为黑色,中间为水绿色。
- We skated on the glassy surface of the frozen pond. 我们在池塘的光滑的冰上溜冰。
- The surface of the water is full of foam. 水面都是泡沫。
- The breeze rippled the surface of the lake. 微风吹皱了湖面。
