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来源：雅诚德英语网
Several processes—melting, refining, homogenising—take place simultaneously in the 2000 tonnes of molten glass in the furnace.
熔炉里的2000吨熔融玻璃中，几个过程——熔化、精炼、均质化——在同时进行。
Several processes—melting, refining, homogenising—take place simultaneously in the 2000 tonnes of molten glass in the furnace.
熔炉里的2000吨熔融玻璃中，几个过程——熔化、精炼、均质化——在同时进行。