查询词典 back-up file

half back：前卫

之后这些防守型的球员被正名为"后卫"(Back)或者"前卫"(Half Back). 随着橄榄球运动的愈加复杂,不同站位的后卫球员(指后卫站位和前锋线的距离)被细化为前卫(half back)、中后卫(three quarters back)和最后卫(full back).

at the back of = in the back of：在...后面

lie on one's back 仰卧 | at the back of = in the back of 在...后面 | back to back 背靠背

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

back to back L/C 对开 信用证 | back to back credit import first 输入为先的对开信用证 | back Valvation 倒起息

snipers：有狙击手 趴下 - 回来

After me. Let's go.|跟着我 走 | - Snipers! Get down! Snipers! - Back! Back! Back!|- 有狙击手 趴下 - 回来 | Get back! Get back!|回来

back-to-back testing：反馈试验,背靠背试验

back-to-back test ==> 成对试验,整流子片试验 | back-to-back testing ==> 反馈试验,背靠背试验 | back-to-front ratio ==> 反-正比

back-to-back testing：背靠背试验

反向起动 back-to-back starting | 背靠背试验 back-to-back testing | 正反比 back-to-front ratio

back-to-back counter：加倍计数器

back-step welding 逐步退焊 | back-to-back counter 加倍计数器 | back-to-back credit export first 输出方先开的对开信用证

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

fill rate：订单满足率

道路运输 road transport | 订单满足率 fill rate | 订货周期 order cycle time

roscherite：钙磷铁锰矿

rosasite 纤维绿铜锌矿 锌孔雀石 | roscherite 钙磷铁锰矿 | roscoelite 钒云母