Tornado-type wind-powered water-pumping system is a newly developed system. It consists of tornado-type tower and pressure difference water-elevating device.
旋风风能提水系统是一种新型风力提水系统，该系统由旋风塔和气压差提水装置组成。
Head structure defects of 7738 umbrella-type tower are presented after snow damage. Improvement methods are introduced and check-up calculation of load is made.
经过雪害教训后，提出了7738伞形铁塔头部结构存在的缺陷，介绍了改进的方法，并进行有关载荷的校验计算。
Analysing traditional mechanical type safety surveillance system of tower crane, this paper put forward a new type tower crane safety surveillance system based on MCU.
对塔机传统机械式安全系统的分析，提出了以单片机为核心的新型塔机安全监控系统。
Analysing traditional mechanical type safety surveillance system of tower crane, this paper put forward a new type tower crane safety surveillance system based on MCU.
对塔机传统机械式安全系统的分析，提出了以单片机为核心的新型塔机安全监控系统。
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