I acted in the capacity of backer, or best man , to the bride groom.我充当陪新郎的, 也就是男傧相.The classic horse race had long been seeking a backer.这项传统的赛马大赛一直在寻求赞助商.Have you got any comments on the proposed promotion of Tom Backe...
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 ...
to weld a broken axle焊接一条断裂的轴Where did you learn to weld?你在哪儿学会的焊接技术？They will also be used on factory floors to weld things together.它们也可用于工厂车间，用来焊接物体。...