同时，它操作简便，能够有效提高工作效率。
Meanwhile, the pipe is convenient for operation and can effectively improve the working efficiency.
光线柔和，长时间使用不会疲劳，有效提高工作效率。
The light is downy, long time no fatigue, improve work efficiency.
大鼓风涡轮，产生更大空气流量，有效提高工作效率。
The big blast turbine, generates greater air flow, and improve work efficiency.
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