冬季放水有学问安徽桐城县农机校疏泽民冬季，为防止冷却水冻裂机体，机车停驶后要放去冷却水，但若放水方法不当，也会对机车造成不应有的损害。１．不要认为只有在结冰的气候中才需要放水。事实上，水在４℃以下时，其体积会随温度的下降而增大，而且在大气压力降低的情... In winter, there is a knowledge in Tongchu County, Anhui Province, to divert Zeze people in winter. In order to prevent the cooling water from freezing, the locomotive should be let go of the cooling water after it is parked. However, improper water diversion will cause undue damage to the locomotive. 1. Do not think that it is necessary to drain water only in icy climates. In fact, when the water is below 4 ℃, its volume will increase with the decrease of the temperature, and the pressure in the atmosphere will decrease ...