back knotter
尾筛
time:4/29/2010 9:20:52 AM

back lamp
尾灯
time:4/29/2010 9:20:52 AM

back lands
穷乡僻壤, 未开发的土地
time:4/29/2010 9:20:58 AM

back lash
间隙, 齿隙, 丝隙
time:4/29/2010 9:20:58 AM

back leakage current
反向漏电流
time:4/29/2010 9:20:58 AM

back leaning rest
仰卧撑
time:4/29/2010 9:20:58 AM

back leg
后(床)腿
time:4/29/2010 9:20:58 AM

back letter
换取清洁提单的赔偿保证函
time:4/28/2010 10:06:02 PM

back light shutter
背光遮板, 内表示镜
time:4/29/2010 9:20:58 AM

back lighting
背面照明, 背面衬光, 衬托光, (摄象管)背景光
time:4/29/2010 9:20:58 AM

back lighting bulb
暗闪灯
time:4/29/2010 9:20:58 AM

back lining
背衬
time:4/29/2010 9:20:58 AM

back loading
退装货
time:4/29/2010 12:32:59 AM

back locking
反锁(闭)
time:4/29/2010 9:21:04 AM

back log
定单积压, 预备物
time:4/28/2010 10:05:49 PM

back magnetization
反磁化
time:4/29/2010 9:21:04 AM

back matter
n. 书后的附属资料
time:4/29/2010 9:21:04 AM

back migration
反迁移
time:4/29/2010 9:21:04 AM

back mill table
轧机后辊道
time:4/29/2010 9:21:04 AM

back mixing
反混(管式或塔式反应器中轴向混合)
time:4/29/2010 9:21:04 AM

back money
拖欠款, 过期未付款
time:4/28/2010 10:05:49 PM

back noise
本底[背景]噪声
time:4/29/2010 9:21:04 AM

back number
n. <美>过期刊物, <口>过时(或老式)的人(或物),老古董
time:4/29/2010 9:21:04 AM

back of
在...后边
time:4/28/2010 10:05:49 PM

back off
v. 后退
time:4/29/2010 9:21:04 AM

back office force
内勤人员
time:4/29/2010 9:21:12 AM

back on
v. 背靠
time:4/28/2010 10:05:49 PM

back on to
背对着
time:4/29/2010 9:21:12 AM

back order
延期交货
time:4/28/2010 10:05:49 PM

back order memorandum
延期交货通知单
time:4/29/2010 9:21:12 AM