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(1)根据气温选用防冻液应根据当地冬季最低气温选用防冻液,其冰点比最低气温至少低5℃,如冰点为35℃的防冻液适用于最低环境温度不低于-30℃的地区。如果是浓缩液,应按产品说明书规定的比例加软化水稀释;如
(1) Antifreeze should be selected according to the temperature. Antifreeze should be selected according to the local minimum temperature in winter. The freezing point is at least 5 ℃ lower than the minimum temperature. For example, the antifreeze liquid with freezing point of 35 ℃ is suitable for the area with minimum ambient temperature not lower than -30 ℃. If it is concentrated, should be diluted according to the ratio specified in the product manual plus softened water;