double-entry bookkeeping system：復(fù)式記帳法

雙頭扳手 double-ended spanner | 復(fù)式記帳法 double-entry bookkeeping system | 雙重?cái)噱e(cuò)背斜 double-faulted anticline

double-entry accounting system：復(fù)式簿記記帳法

double ended wrench ==> 雙頭扳手 | double entry accounting system ==> 復(fù)式簿記記帳法 | double entry book-keeping ==> 復(fù)式記帳

double-fold disappearing stair：雙折隱梯

double-focusing mass spectrograph ==> 雙聚焦質(zhì)譜儀 | double-fold disappearing stair ==> 雙折隱梯 | double-framed generator ==> 雙機(jī)座型發(fā)電機(jī),內(nèi)外機(jī)座型發(fā)電機(jī)

double-framed generator：雙機(jī)座型發(fā)電機(jī),內(nèi)外機(jī)座型發(fā)電機(jī)

double-fold disappearing stair ==> 雙折隱梯 | double-framed generator ==> 雙機(jī)座型發(fā)電機(jī),內(nèi)外機(jī)座型發(fā)電機(jī) | double-frequency coding ==> 雙頻率編碼

double-head wrench：雙頭扳手

double-head wire stitching machine 雙頭鐵絲訂書(shū)機(jī) | double-head wrench 雙頭扳手 | double-headed bolt tension meter 雙頭螺栓張力計(jì)

double-head rail：雙頭軌

double-head milling machine 雙軸銑床 | double-head rail 雙頭軌 | double-head spring needle knitting machine 汗絨布二用針織機(jī)

double-head rail：雙頭軌條

雙頭銑床 double head milling machine | 雙頭軌條 double head rail | 雙頭型(工具機(jī)) double head type

double-head tyre：雙緣輪胎

double-head turning tool welded with carbide tip 硬質(zhì)合金雙頭車(chē)刀 | double-head tyre 雙緣輪胎 | double-head wire stitching machine 雙頭鐵絲訂書(shū)機(jī)

double-head endmill：雙頭立銑刀

double-head boxing machine 雙頭箱式縫紉機(jī) | double-head endmill 雙頭立銑刀 | double-head flat scraper 雙頭平刮刀

double-head milling machine：雙軸銑床

double-head flat scraper 雙頭平刮刀 | double-head milling machine 雙軸銑床 | double-head rail 雙頭軌