main casing meaning in English

主壳

Cold water meters - displacement type - plastic main case
位移型塑料壳体冷水表
Cold - water meters - displacement type , bronze main case
位移型青铜壳体冷水表
The author has analyzed and compared several main cases of boundary constraints thoroughly , furthermore , mathematical modeling and error analysis of the most complex boundary constrains case has been lucubrated
文章对八种主要的边界约束类型做了深入的分析比较，并着重对最复杂的边界约束情况的数学模型建立、求解及误差分析展开了细致和详尽的讨论。
Chapter two : establishment and development this chapter traces back main cases of the us supreme court credited with establishing and developing the rules , describes the constitutional requirements , explores the connection between new technologies used in investigation and the legal requirements of search and seizure
本章考察了非法证据排除规则的确立的过程，分析了非法证据排除规则与美国宪法的关系，梳理了非法证据排除规则发展的轨迹，研究了侦查的新方式与非沧证据排除规则的发展的关系。