When the inserting type toothpick is used, the user holds the toothpick rod, and the toothpick head is used for cleaning teeth.
使用时，使用者手握牙签杆，利用牙签头清理牙齿。
The detecting speed is high, the performance is good and the operation is convenient; meanwhile, the requirement to field condition is low and the drilling rod does not need cleaning.
检测速度快，性能好、操作方便，对现场条件要求低，不需要对钻杆进行任何清理。
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