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backing pressure || 托持压强，托压，托持压力
backing pump || 初级(前置)泵
backing ring || 衬环，垫圈，垫环
backing roll || 承压滚筒，支撑辊
backing sand || 背砂
backing storage || 辅助存储器，备用存储器，外存储器
backing store || 后备存储器
backing strip || 垫板
backing system || 前级(真空)系统
backing up || 回行
backing-off || ①铲(齿)，凿②后凹槽③消除
backing-off angle || 后角
backing-off attachment || 铲磨附件，铲齿附件
backing-off lathe || 铲齿车床，铲背车床
backing-up || ①倒车②封底焊③支撑
backing-up screw || 止动螺钉
backlash || 齿侧间隙，侧隙
backlash tolerance || 侧隙公差
backlash variation || 侧隙变量
backlash variation tolerance || 侧隙变量公差
backlight || 背光源，后窗
backlight defogging system || 后窗除霜装置
backlog || 积累，储备
backlogging || 积压
backplate || ①信号板②背面板，后(挡)板，护板
backrest || 座椅靠背
backrinding || 开模缩裂
backscatter || 反向散射体，向后散射体，反向散射，背散射
backscatter angle || 反向散射角
backscatter factor || 反散射因素
backscattered electron image || 背散射电子象
backscattering correction || 反向散射校正
backscattering factor || 反向散射因素
backseat || 后座
backshaft || 后轴
backspace character || 返回符号，回车符号，回退符
backspace key || 回退键
backspace statement || 返回语句，回退语句
backstand || 后座，张紧座
backstay cable || 后拉缆，拉索
backstep sequence welding || 分段退焊
backstep welding || 分级退焊法
backstop || ①托架，止挡，止回器②挡住，支持
backstroke || 返回行程，返回冲程，回程
backswept wing || 后掠翼
backswing || ①反冲②回摆，反向摆动③倒转
backtracking || 倒向追踪
backtracking method || 倒向追踪方法
backup || 备份 备份
backup coat || 加固层
backup item || 平行项目，备份项目
backup lamp || ①倒车灯 ②前照辅助灯
backup programmer || 后补程序员
backup sand || 充填砂
backup system || 备用装置，备用系统
backward || 向后的，反向的，倒行的，落后的，反向，左右反向
backward boost || ①制动，制推②降压③降压器
backward brush-lead || 电刷超前后移
backward channel || 反向信道
backward counter || 反向计数器
backward creep || 金属的后滑
backward crosstalk || 后向串扰
backward current || 逆向电流，反向电流
backward delay || 向后推迟，向后迟滞
backward difference || 后向差分
backward diode || 反向二极管
backward dynamic programming || 后向动态规划
backward equation || 向后方程
backward extrusion || 反挤压
backward feeding || 逆向馈电，反向送料
backward flow || 逆流，回流
backward impedance || 反向阻抗
backward kinematics || 反向运动学
backward motion || 倒退，反向运动
backward phase component || 反向相分量，负序分量
backward position || 反转位置，回程位置
backward progression lap winding || 左行叠绕法
backward scattering || 反散射，反向散射
backward sequence || 反向序，负序
backward shifting || 逆转
backward slip || 后滑
backward stroke || 返回冲程
backward sweep || 后掠角
backward torque || 反向转矩
backward travel || 后退行程
backward wave || 反向波，回波
backward wave amplifier tube || 返波放大管
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