Recharge system with refrigerant, check and test regulators, calibrate system and perform routine maintenance or servicing.
给系统添加制冷剂，检查和测试的调节器，校准系统，并进行日常维护或维修。
2
The bill's sponsors of the test Luo Kele Paul Ryan said: "This inspection should be like cholesterol and blood pressure check into the same routine inspection."