查询词典 back-up

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 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

She bit her lip, trying to keep back the tears：她咬住嘴唇,强忍着不让眼泪出来

keep back忍住(眼泪);隐... | She bit her lip, trying to keep back the tears. 她咬住嘴唇,强忍着不让眼泪出来. | I know he told us most of the story but kept back the part about his girlfriend. 我知道他告...

French Fifth Republic：法蘭西第五共和

Freight rate 运费率 | French Fifth Republic 法兰西第五共和 | Frequency 次数;频率

cartographic communication：地图传输 地図通信

■ cartographic analysis 地图分析 地図分析 | ■ cartographic communication 地图传输 地図通信 | ■ cartographic data 制图数据 地図データ