A toilet tank is dripping, and you can't tell if the water is coming from harmless seasonal sweating or a bad seal.
水箱在滴水。你却不知道是因为季节产生的水汽还是密封装置坏了。
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Those sets of equipments have some excellent designs, such as: U type continuous reaction tank and water-sealtank etc. , which increase efficiency and quality.
Safe and reliable: because with furnace with production, with gas, without doesn't come without water storage tank, and seal explosion-proof device, in use safe and reliable.