Hardware stores have sold out of water pumps and tarpaulins.五金店内水泵和防水油布已经卖光了。There are already long queues of vehicles at petrol pumps.加油泵边车辆已经排起了长队。The work consisted of throwing up embankments and installing water turb...
Hardware stores have sold out of water pumps and tarpaulins...五金店内水泵和防水油布已经卖光了。Conventional equipment such as mixing funnels, pumps, solids eductors and the like can be employed.常用的设备,例如混合漏斗 、 泵 、 固体引射器等,都可使用.Hardware st...