Has the specialty to result in the air conditioning service senior technician and engineer.
有专业得空调维修高级技术员和工程师。
Medium senior worker worker, technician mixes skilled worker 25 years (contain 25 years) the average worker of above length of service 70 square metre;
技术工人中的高级工、 技师和25年（含25年）以上工龄的普通工人70平方米；
Medium senior worker worker, technician mixes skilled worker 25 years (contain 25 years) the average worker of above length of service 70 square metre;
技术工人中的高级工、 技师和25年（含25年）以上工龄的普通工人70平方米；
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