We make steam pass through a pipe, round the outside of which cold water circulates.
我们使蒸汽通过一根管子，在管子周围有冷水循环。
The boiled water bank is connected with the exhaust pipe by the cold water tank.
开水箱接有的排气管经由冷水箱。
The boiled water bank is connected with the exhaust pipe by the cold water tank.
开水箱接有的排气管经由冷水箱。
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