portable drill

基本解釋

A portable drill or an electric chainsaw could save labour, and make light of roughing out big boards.
便攜鉆機或是電動鏈鋸能夠節(jié)省體力，并使大塊木板的粗加工化繁為簡。
Before you buy a portable drill, check the manufacturer warranty as well as the availability of parts.
在購買便攜式鉆子之前，核對下生產(chǎn)廠商的擔保書以及可以使用的部件。
This paper studys noise produced by portable electric drill on theory and experiment. It can help find methods of reducing portable electric drill noise.
從實驗和理論上研究了手提電鉆在工作時產(chǎn)生噪音的主要噪聲源及其特點，為減少其噪音提供了依據(jù)。