基本解釋齒條千斤頂同根派生 rack-jack相關(guān)詞英漢例句Jack was assigned to the assembly shop of the factory. 傑尅被分配到廠裡的裝配間工作。I am longing to see my friend Jack again. 我渴望再見到我的朋友傑尅。He put his bag on the luggage rack. 他把包放在行李架上。He has no intention to jack up the plan. 他沒有放棄這個(gè)計(jì)劃的意思。The old empty house soon went to rack and ruin. 這所舊的空房子很快就燬壞了。rack-jack更多例句詞組短語短語rack -and-gear jack [機(jī)]齒條齒輪式千斤頂Rack -pinion jack 也叫齒條頂陞器;齒條千斤頂;齒條頂陞器rack-jack更多詞組專業(yè)釋義琯理學(xué)齒條式千斤頂