back brake
后闸
time:2008-8-6 12:19:01

back break
(爆破孔的)背面裂断
time:2008-8-6 12:19:17

back cap and quadrant tap bolt
后盖及齿节弧形板
time:2008-8-6 12:19:17

back cargo
(船只等载运的)归程货物
time:2008-8-6 12:19:17

back catch
门后钩
time:2008-8-6 12:19:34

back cavity
后腔
time:2008-8-6 12:19:34

back centre
(车床的)尾顶尖
time:2008-8-6 12:19:34

back check
接点落下检查
time:2008-8-6 12:20:55

back chipping
铲根, 背面錾平
time:2008-8-6 12:20:55

back clamping
反向箝位
time:2008-8-6 12:20:55

back clearance
背隙（螺纹）
time:2008-8-6 12:21:11

back clevice
后连接环， 后连接叉， 后连接钩
time:2008-8-6 12:21:11

back cloth
背景幕
time:2008-8-6 12:21:11

back conductance
(晶体)反向电导
time:2008-8-6 12:21:28

back cone
(锥齿轮)背锥
time:2008-8-6 12:21:28

back connecting rod
(转辙器)后连接杆
time:2008-8-6 12:21:29

back connection
差动［背面］连接
time:2008-8-6 12:21:44

back contact
后触点， 静合接点
time:2008-8-6 12:21:44

back contact proving
后接点检验
time:2008-8-6 12:21:44

back contact spring
后接点簧片, (继电器)补助簧片, 静触弹簧, 后触点弹簧
time:2008-8-6 12:22:00

back coordination
反馈配位
time:2008-8-6 12:22:00

back cord
里塞线
time:2008-8-6 12:22:00

back corners
靠近端线的两角， 后区两角
time:2008-8-6 12:22:17

back country
穷乡僻壤
time:2008-8-6 12:22:18

back coupling
反馈偶合
time:2008-8-6 12:22:20

back coupling coefficient
反馈耦合系数， 反馈系数
time:2008-8-6 12:22:35

back court
后场
time:2008-8-6 12:22:36

back crawl
仰泳
time:2008-8-6 12:22:54

back crossing
里层交错板
time:2008-8-6 12:22:55

back cupping
背面采脂(法)
time:2008-8-6 12:22:56