常見例句雙語例句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。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)。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。 返回 electric portable drill