查询词典 back-up copy

back-to-back angle：双角摇杆背贴角钢

back-step 逐步退焊 | back-to-back angle 双角摇杆背贴角钢 | back-to-back coupling 背面耦合

back-up air tank：备用气箱

back-up air supply 备用空气源 | back-up air tank 备用气箱 | back-up cooling 备用冷却

Back-up protection：后备保护

61 Back-up over-speed governor 附加超速保护装置 | 62 Back-up protection 后备保护 | 63 Back-up ssystem 后备继电保护

Back-up protection：备用保护装置

back up plate 推靠板 | back up protection 备用保护装置 | back up store 后备存储器

back-up area：备用堆置场

back up 垫板,背撑,(铸造用语)填背砂 | back up area 备用堆置场 | back up battery 后备电池

back-up safety device：备用安全装置

back up protection 后备保护 | back up safety device 备用安全装置 | back up supply 备用电源

back-up safety device：后备安全设备

后备继电保护 back-up relaying | 后备安全设备 back-up safety device | 后备电源 back-up source

back-up safety device：备用安全设备,备用安全装置

back-up roll | 支撑轧辊,支撑辊 | back-up safety device | 备用安全设备,备用安全装置 | back-up source | 后备电源,备用电源

copy down：把...抄下

cook up:编造、捏造、虚构 | copy...down:把...抄下 | a copy of...:一册、一部、一本、一份

copy lines down：将行下移

move lines up 将行上移 alt+up | copy lines down 将行下移 alt+down | duplicate lines up 将行上移 alt+up

labor union：劳工联合会

Welfare fund 福利基金 | Labor union 劳工联合会 | Total DTT 全部DTT

Civil Engineering, General：土木工程

Computer and Information Sciences, General 计算机信息科学 | Civil Engineering, General 土木工程 | Chemistry, General 化学