而且其质量轻
And it is light in weight
以上为机器翻译结果，长、整句建议使用 人工翻译 。
与原有干燥机相比，其具有结构简单、质量轻、床层压降小、干燥均匀等优点，而且节能优势明显。
The new type dryer is characterized not only by simple and light structure, low pressure drop and uniform drying, but also by obvious energy saving.
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