查询词典 back up

back out of：收回(诺言等)

back of 在...的后面;在...背后 | back out of 收回(诺言等) | back up 支持,援助;倒退

back pay：欠付(工资)款

back order [因无现货]有待日后交付的定货;待发货;待发货订单;待执行订单 | back pay 欠付(工资)款 | back up 做备份;支持

back street：冷僻小巷

back out:收回诺言 | back street:冷僻小巷 | back up:倒车,后退;支持

back to back method：反馈法

back span 反向间隔 | back to back method 反馈法 | back up protection 后备保护

back to back houses：背对背房屋

back surge 逆哩 | back to back houses 背对背房屋 | back up block 支撑块

back to front turns：由后向前转身

倒滑急停 back stop | 由后向前转身 back to front turns | 保护后方 back up

behind sb.'s back：背着某人,暗中

Back up 支持 | Behind sb's back 背着某人 暗中 | Turn one's back on 轻视 不理睬

back-to-back arrangement：背向排列

"后退分段(熔接)次序","backstep sequence" | "背向排列","back-to-back arrangement" | "背托","back-up"

Back-to-Back Devices：背对背装置

Back-propagation Network 倒传递网络 | Back-to-Back Devices 背对背装置 | Back-Up System 备份系统

back fill：填充

Britaniametal 不列颠合金 | back-fill 填充back-up, | back-up-sand 背砂backsand,

highspeed boat：高速艇

high frequency 高频 | highspeed boat 高速艇 | horizontal a.水平的,卧式的

motherland; fatherland; homeland：祖国

584 最 most | 586 祖国 motherland; fatherland; homeland | 587 山 mountain; hill