Do clean drain plug and install new gasket.
一定要清洗放油塞，并安装新垫圈。
First you must drain the dirty water out and then clean the pipe.
你必须先让污水排出去，然后再清洗管道。
Having special device to clean and drain.
具有特殊清洗排除装置。
Clean equipment. Spray with sanitizing solution. Drain and air dry.
将溶液灌入压力喷壶内，喷于待消毒表面，使其自然干燥。
Wash clean again, drain off the water and put in a basin.
再用水清洗干净，滤干水份后备用。
Wash clean again, drain off the water and put in a basin.
再用水清洗干净，滤干水份后备用。
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