back brake
后闸
time:4/29/2010 9:15:46 AM

back break
(爆破孔的)背面裂断
time:4/29/2010 9:15:46 AM

back cap and quadrant tap bolt
后盖及齿节弧形板
time:4/29/2010 9:15:49 AM

back cargo
(船只等载运的)归程货物
time:4/29/2010 9:15:49 AM

back catch
门后钩
time:4/29/2010 9:15:49 AM

back cavity
后腔
time:4/29/2010 9:15:49 AM

back centre
(车床的)尾顶尖
time:4/29/2010 9:15:49 AM

back check
接点落下检查
time:4/29/2010 9:15:49 AM

back chipping
铲根, 背面錾平
time:4/29/2010 9:15:49 AM

back clamping
反向箝位
time:4/29/2010 9:15:49 AM

back clearance
背隙（螺纹）
time:4/29/2010 9:15:49 AM

back clevice
后连接环， 后连接叉， 后连接钩
time:4/29/2010 9:15:49 AM

back cloth
背景幕
time:4/29/2010 9:15:52 AM

back conductance
(晶体)反向电导
time:4/29/2010 9:15:52 AM

back cone
(锥齿轮)背锥
time:4/29/2010 9:15:52 AM

back connecting rod
(转辙器)后连接杆
time:4/29/2010 9:15:52 AM

back connection
差动［背面］连接
time:4/29/2010 9:15:52 AM

back contact
后触点， 静合接点
time:4/29/2010 9:15:52 AM

back contact proving
后接点检验
time:4/29/2010 9:15:52 AM

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:4/29/2010 9:15:52 AM

back coordination
反馈配位
time:4/29/2010 9:15:52 AM

back cord
里塞线
time:4/29/2010 9:15:52 AM

back corners
靠近端线的两角， 后区两角
time:4/29/2010 9:15:54 AM

back country
穷乡僻壤
time:4/29/2010 9:15:54 AM

back coupling
反馈偶合
time:4/29/2010 9:15:54 AM

back coupling coefficient
反馈耦合系数， 反馈系数
time:4/29/2010 9:15:54 AM

back court
后场
time:4/29/2010 9:15:54 AM

back crawl
仰泳
time:4/29/2010 9:15:54 AM

back crossing
里层交错板
time:4/29/2010 9:15:54 AM

back cupping
背面采脂(法)
time:4/29/2010 9:15:54 AM