The main fuel tank must have all the following: a filler tube, a ventilationsystem, fuel pickup tube and filter, plus a gauge-sending unit.
油箱必须装备以下元件：加油管、油箱通风系统、吸入管、滤清器和油量传感装置。
2
The fuel tank of any motor vehicle must have some form of ventilationsystem.
任何汽车的油箱都装有通风系统。
3
ABS automatic plastics electroplating line is composed of frame, tank, pipe, ventilation, conducting system, cathode sweeping and other auxiliary equipments.