After analyzing and reasoning from all aspects in view of ergonomics,such as human’s influences and problems when bicycle on moving,a unique patent product: low seat,straight pedaling and swing bicycle is developed.
以人机工学理论为依据,对其进行全方位综合研究,另辟蹊径,开发研制出独具特色之专利产品:从传动原理到结构形式都与众不同之新型自行车——PB-A型低座平蹬摆式自行车。
self-propelled concreting plant
自行式混凝土灌注机
Application of Self Intensifying Cement in Pile Pouring;
自密实混凝土在灌注桩工程中的应用
gin pole type concrete spouting plant
起重桅杆式混凝土灌注设备
tremie concreting
用串筒灌注水中混凝土
concrete belt placing tower
混凝土带输送灌注塔
cast-in-place concrete lining
就地灌注混凝土衬砌
Application of Towed Concrete Pump in Underwater Pile
拖式混凝土输送泵在水下灌注桩中的应用
Study on the Visualization about Law of the Underwater Pouring Concrete;
水下灌注混凝土流动规律计算机模拟研究
Techno-economic analysis of selection of drill types for cast-in-place piles;
混凝土灌注桩钻机类型选择经济技术分析
On application of rotary drilling rig in foundation holes of bored piles on bridges
旋挖钻机在桥梁混凝土灌注桩成孔中的应用
Stability Research of Concrete-filled-steel Tube Arch Bridge on Filling Concrete for Arch Rib
钢管混凝土拱桥拱肋混凝土灌注施工稳定研究
Research and Application on the Technology of Pouring Concrete of Bored Piles under Water;
钻孔灌注桩水下混凝土灌注技术研究与应用
Detecting cast-in-place bored piles quality with supersonic method
超声法检测钻孔灌注桩混凝土灌注质量
On the quality control of under-water concrete casting of castin-place piles
浅谈灌注桩水下混凝土灌注的质量控制
Study on altitude measurement of concrete injection surface of bored pile with ultrasonic wave
超声波测钻孔灌注桩混凝土灌注面高程的研究
concreting boom
浇注混凝土起重机臂
Industry Standard ROTOR-TYPE CONCRETE JET
行标《转子式混凝土喷射机》的分析
tremie concrete
用导管法灌注的水下混凝土