overall unit protection 单元总体保护 ; 单元总体保护装置
overall unit debugging form 整机检测记录
control system of overall unit 整机控制系统
height of overall transfer unit 总传质单元高度
number of overall transfer unit 总传质单元数
Overall size of pan unit 主机外型尺寸
The high quality of overall unit is guaranteed by high-quality components.
高质量的整机必须有优质的配件来保证。
More important, China's productivity is growing faster, by 20% a year, according to America's Conference Board, a research organisation. That means overall unit costs are still falling.
更重要的是，根据研究机构America's Conference Board的统计，中国的生产率年增速到达20%，单位产品的成本仍在下降。
American Airlines parent AMR Corp. said it saw business travel decline more in the second quarter than its traffic overall or its unit revenue.
美国航空母公司A MR集团表示，第二季度其商务旅游业务量的降幅大于整体客运量或单位收益的降幅。
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