求翻译：2.教练车检查更换冷却液，根据本地的气候条件更换相应的冷却液，保证在本地最低温度下不冻结，须知冻结后在零下4度以下水是膨胀的，冬季冻裂发动机的事情屡见不鲜，小心微妙，现在假冒防冻液很多，小心不为过，记住厂家，留好证据，一旦发生冻害，损失巨大不可不防。是什么意思？

(2) check and replace the coolant coach car, according to local climatic conditions corresponding coolant replacement, ensure that the local minimum temperature does not freeze, frozen notes minus 4 degrees below the water expansion, something not uncommon in winter cracking engine, Carefully subtle

Coach 2 cooling liquid replacement vehicle inspection, pursuant to the local climate conditions corresponding cooling liquid Replacement Guarantee, in the local minimum temperature after the freezing is not frozen, it should be known in minus 4 degrees below freezing winter water is torn apart, and

2. driver training car inspection replacement refrigerant, according to the local climatic conditions replacement corresponding refrigerant, guaranteed does not freeze under the this locality lowest temperature, after the notice freeze in 4 degrees below zero sewers is the inflation, the winter crac

2. coach car check replaced cooling liquid, under local of climate conditions replaced corresponding of cooling liquid, guarantee in local minimum temperature Xia does not freeze, notes freeze Hou in lingxia4du following water is expansion of, winter frozen crack engine of things is not uncommon, ca