It is characterized with stable performance, easy manipulation and low cost.
该测试系统性能稳定，操作方便，成本低廉。
The structure of the utility mode is stable, and the manipulation is easy and safe.
本实用新型的伞架结构稳定，操作简便、安全。
The structure of the utility mode is stable, and the manipulation is easy and safe.
本实用新型的伞架结构稳定，操作简便、安全。
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