sub-unit

The Modelling Method by Combination of Sub-part Based on Elementary Operation Feature Unit

基于工步特征单元的子零件组合建模法

This system consists of sonic sonde, magnetic locator sub, gamma ray tool, depth system, surface preprocessing unit, data acquisition interface, PC486 and thermal plotter.

该系统由声波、磁定位和自然伽马下井仪、深度系统、地面预处理电路、数据采集控制接口电路、486微机和热敏绘图仪等构成。

Thinking of the New Year's day, Spring Festival of large spending and all kinds of colleagues, the boss of entertaining, and all types of unit summary, the personnel changes, many people feel boring, workplace helpless, agitated and so on a series of sub health symptoms.

想到新年、春节的大量花销，和同事、老板间的应酬，各类部门总结，人事变动，很多人都会感到厌烦、无助、焦虑、恐慌，甚至出现肠胃不适、头疼、失眠等一系列亚健康症状。