The sulfur melting vess el is smaller in volume, light in weight and flexible in operation.
熔硫器体积小 、 重量轻、操作弹性大.
词典释义:
vess
The sulfur melting vess el is smaller in volume, light in weight and flexible in operation.
熔硫器体积小 、 重量轻、操作弹性大.
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