YONGKANG HARBOR INDUSTRY AND TRADE CO.,LTD
Time:2017-7-5 Hits:2320

Meaning and impact drill and hand drill expression in English is different, we say something is a civilian, but with the drill is not the same.
The impact of drilling are generally hit the concrete, holes or wall power is relatively large, generally are small power drill, drill iron tablets, what drill wood.
Civil case impact drill and hand drill are similar.

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