They erected a television antenna on the roof.他们在屋顶上架起了电视天线.In our village, there is an antenna on every roof for receiving TV signals.在我们村里, 每家房顶上都有天线接收电视信号.Extended the radio antenna.把收音机的天线拉到最长。...
The evaporator vapor lines are fitted with an entrainment separator.蒸发器的蒸汽线装有雾沫分离器.The equations describing a single - effect evaporator are developed in the following manner.描述单效蒸发器的方程,用下述方法推导.The concentrated solution ...