单词	working barrel pump
释义	working barrel pump 抽油泵
随便看	drilling machinery drilling machines drilling machines bench drilling machines high-speed drilling machines multi-spindle drilling machine spindle drilling machines radial drilling machine upright drilling machine with jointed arm drilling machine with pivoted arm drilling mast drilling method drilling module drilling monitor system drilling motor drilling mud drilling mud cake Drilling Muds drilling offshore drilling-off test drilling of tubesheet drilling operation drilling operations drilling operator drilling out tzjy tzjz tzky tzlm tzlw tzmf tzms tzmz tznf tzns 聞きつぐ聞きつける聞きつたえる聞きづらい聞きて聞きとがめる聞きとどける聞きとり聞きとる聞きどころ