查询词典 back-land

back-spiker：钉道工

back rule 背缘尺 | back-spiker 钉道工 | back veneer 背[板]单板

back bridge wall：挡烟桥,火桥

back bridge relay ==> 反桥接继电器=>被呼者継電器 | back bridge wall ==> 挡烟桥,火桥 | back bulb ==> 背生鳞茎,衰老球根

back up chain tongs：咬定链钳

back twisting 反向加捻 | back up chain tongs 咬定链钳 | back up information 后备信息

back clearance angle：车刀纵向后角

back clearance || 背隙(螺纹) | back clearance angle || 车刀纵向后角 | back clipping on || 后向剪裁打开

back bone,vertebral column,spine：脊椎骨

\\"背部\\",\\"back\\" | \\"脊椎骨\\",\\"back bone,vertebral column,spine\\" | \\"回交\\",\\"back cross\\"

back flap hinge：明铰链

back firing detective relay 逆弧检测继电器 | back flap hinge 明铰链 | back gear shaft 背齿轮轴

back ground current：维弧电流

back ground ==> (即底影)背景 | back ground current ==> 维弧电流 | back guide ==> 后导板

back ground noise level：背景噪音电平

back gear 背轮 | back ground noise level 背景噪音电平 | back guide 倒车导板

back hand rope：反搓绳

back guide 倒车导板 | back hand rope 反搓绳 | back hand 反向

to back credit import first：输入为先的对开信用证

to back credit export first ==> 输出为先的对开信用证 | to back credit import first ==> 输入为先的对开信用证 | to back L-C ==> 背对背信用证

acetabular foramen：髀臼孔

\\"基节窝\\",\\"acetabular cups\\" | \\"髀臼孔\\",\\"acetabular foramen\\" | \\"髀臼窝;髋血凹\\",\\"acetabular fossa\\"

PRTSC PacketRadioTerminal：数据分组无线电发送终端

PRS PacketRadioStation 数据分组无线电发送站 | PRTSC PacketRadioTerminal 数据分组无线电发送终端 | PRV PacketRadioUnit 数据分组无线发送单元