rail drilling tool钢轨: rail; metals; steel rail; ra ...钻孔: drill; bore; drill hole perf ...器: implement; utensil; ware钢轨钻孔机: rail bonding drill; rail drilling machine电动钢轨钻: electric rail drill下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:钢轨钻孔器，即可在微信中查询翻译
