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back space key：退格键/删除键

退出 exit 退出配置/取消配置/重新配置 deconfiguration | 退格键/删除键 back-space key | 退格字符/回格字符 back-space character

back splint：背夹

back scatter constant 反向散射常数 | back splint 背夹 | backup plate 垫片

ANTE-SETOFF SPRAG：防粘噴粉器

防寫口.................................WRITE-PROTECT NOTCH | 防粘噴粉器.........................ANTE-SETOFF SPRAG | 兩面印刷.............................BACK TO BACK

spring back cover：弹簧脊封面

spring back 弹簧式书脊,回弹,跳回 | spring back cover 弹簧脊封面 | spring balance 弹簧秤

back spring：回位弹簧

back pan 靠板 | back spring 回位弹簧 | backing plate 制动底板

Back squab：垫

Backspray 后溅 | Back squab *垫 | Back-up buzzer 倒车报警器

Back squab：靠垫

Backspray 后溅 | Back squab 靠垫 | Back-up buzzer 倒车报警器

Back squab：后垫

Backspray 后溅 | Back squab 后垫 | Back-up buzzer 倒车报警器

stab sb in the back：暗箭伤人, 背后说坏话, 诽谤

see the back of 看(某人)离开; 赶走[摆脱](某人) | stab sb. in the back 暗箭伤人, 背后说坏话, 诽谤 | theback of beyond 穷乡僻壤

stab sb in the back：下黑手

Turn one's back on sb. 不理不睬 | Stab sb. In the back 下黑手 | WAIST 腰

air ventilator：通风管

air purifier 空气滤清剂 | air ventilator 通风管 | air-bleed 空气分泄器

sound motion picture, talkie：有声电影

silent cinema, silent films 无声电影 | sound motion picture, talkie 有声电影 | cinemascope, CinemaScope 西涅玛斯科普型立体声宽银幕电影,变 形镜头式宽银幕电影