该装置具有较高的测量精度，数据测取方便，并能自动记录和报警。
The device has good measurement precision and convenience for data getting, and it can record data and give alarms automatically.
该装置具有较高的测量精度，数据测取方便，并能自动记录和报警。
The device has good measurement precision and convenience for data getting, and it can record data and give alarms automatically.
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