rigid construction meaning in English

刚性机构/
刚性结构

Ni - cd pocket type battery has the properities of rigid construction , excellent electrical performance , long service life , resistant to over charge and discharge , high reliability and easy to operate
镉镍袋式减性蓄电池具有优良的电性能、寿命长、结构坚固、耐过充过放、自放电小、可靠性高、维护方便，并用不同极板结构来适应不同倍率电流的放电。
It should follow the national and specialized standards to assure a good condition for the , data center , put together the knowledge of multi - disciplines and advanced technologies , and adopt reasonable design and rigid construction
为了确保数字中心的运行环境，机房建设工程应遵循国家、行业标准，集成多学科知识，采用先进、成熟、实用的技术，合理设计、严格施工。