regular drill 中文意思是什麼
regular drill
解釋
普通播種機-
Clogged or cave - in of the hole, can lead to a stuck drill. it is best therefore, to cleans the hole regular intervals, by carrying out air - blowing with the rock drill
因為堵塊和空穴都可能導致卡鉆,因此應定期採用沖擊器強吹,定期清洗孔底。
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