The production and sale of pneumatic tools businesses.
生产和销售气动工具的企业。
There are several dangers encountered in the use of pneumatic tools.
使用气动工具时会遇到一些危险。
The main production and sales of pneumatic tools and accessories, hardware tools, saw blade and other tools.
主要生产销售气动工具及其配件、五金工具、锯条等工具。
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