portable electric 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(jī)或是電動(dòng)鏈鋸能夠節(jié)省體力，并使大塊木板的粗加工化繁為簡(jiǎn)。
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(shí)驗(yàn)和理論上研究了手提電鉆在工作時(shí)產(chǎn)生噪音的主要噪聲源及其特點(diǎn)，為減少其噪音提供了依據(jù)。
Mix the high infiltration epoxy ground coat and supplementary firming agent according to certain proportion and sir the mixture evenly with the portable electric drill.
將高滲透環(huán)氧底漆和配套固化劑按比例混合，用手提電鉆攪勻。