In crane choosing , three parameters should be taken into consideration : payload capacity ( q ) , lifting height ( h ) and working radius ( r ) . and three parameters should meet design requirements at the same time 選擇起重機(jī)的型號(hào)原則是所選起重機(jī)的三個(gè)工作參數(shù),即起重量q ,起重高度h和工作幅度(回轉(zhuǎn)半徑) r均需要滿足班組結(jié)構(gòu)吊裝要求。
Breakthroughs in modern gyroplane technology - an introduction to the advances in gyroplane technology and the emerging market opportunities for a new generation of gyroplanes ranging from small vtol & ustol gyroplanes to large vtol gyrodyne airliners or freighters with 20 ton payload capacity 現(xiàn)代旋翼機(jī)科技的突破-介紹旋科技的進(jìn)步,以及新一代旋翼機(jī)的市場機(jī)會(huì),從小型超短距離升降和垂直升降的旋翼機(jī)到可垂直升降,載重20噸以上的大型直升旋翼客機(jī)和貨運(yùn)機(jī)