Pot door is sealed up with gasing type silicon rubber , is sealed and reliable , the length of service life is changed per 3 years one time.
锅门采
充气
胶
封，封可靠，
命长，每三年更换一次。
Pot door is sealed up with gasing type silicon rubber , is sealed and reliable , the length of service life is changed per 3 years one time.
锅门采充气胶封，封可靠，命长，每三年更换一次。
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