基面上的积垢、浮浆、脱模剂、油污、装饰物、尘土等脏杂物必须设法清理干净。
The base surface fouling, floating pulp, release agents, oil, decorative objects, dust, dirt and other debris must try to clean up.
每一振点的振捣延续时间应使混凝土表面呈现浮浆和不再沉落为止，约20 ~30s。
For every vibrating point, the vibration shall go on till free mortar appears on the concrete surface and not sinks any more, normally 20 ~ 30s.
施工方法，采用专用设备对混 凝土桥面板表面浮浆进行铣刨、拉毛或凿毛、清扫、吹净处理；
Its synchronous construction process includes milling and planing the concrete bridge surface to roughen, cleaning and blasting with special apparatus;
先在容器中放入适当的热水，加热到70摄氏度之后，再慢慢地搅拌，加入羟丙基甲基纤维素，它就会浮到水面上，然后形成一种淤浆。
To add the appropriate water in a container, heated to 70 degrees Celsius, then slowly stirring, adding hydroxypropyl methyl cellulose, it will float to the surface, and then forming a slurry.
初步研究了搅拌浆型、挡板及其组合等因素对自浮固体的固液悬浮问题的影响。
The suspension of floating solids in an stirred tank were studied. The effects of type of impeller, baffle configuration and their combinations on the suspension were discussed briefly.
初步研究了搅拌浆型、挡板及其组合等因素对自浮固体的固液悬浮问题的影响。
The suspension of floating solids in an stirred tank were studied. The effects of type of impeller, baffle configuration and their combinations on the suspension were discussed briefly.
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