Air-entraining agent increases impermeability of hybrid fiber concrete.引气剂有助于提高混杂纤维混凝土的抗渗性。Even an air - entraining agent can be used because the minute pores are discontinuous.甚至可以使用加气剂,因为小的气孔是不连通的.Third, the option of ...
We have compacts and several mid - size cars.我们有小型车,还有好几部 中型 车.We rent compacts for $ 99 for the whole weekend.我们出租小型车的价钱是九十九美元一整个周末.PDC bit uses polycrystalline diamond compacts ( PDC ) as cutters.pdc钻头用聚晶金刚石 ( 复合片 ) 作为...
The band have a droll sense of humour.这个乐队有一种滑稽古怪的幽默感。droll tricks好笑的把戏He is so droll, that Samson.参孙真会开玩笑.He looked at her with a droll sort of awakening.他用一种古怪的如梦方醒的神情看着她....