Diagnoses among children jumped 57% from 2002 to 2006, according to the Centers for Disease Control &Prevention in Atlanta. Roughly 1 in 110 8-year-olds in the U.S. is on the autism spectrum.
根据亚特兰大疾病防控中心的统计，2002年到2006年间，出现相关症状的儿童猛增57%，大约每110名8岁的美国儿童中就有一人患有自闭症。
Its explosion proof property, over speed and over reel control, prevention of high and low hydraulic pressure, and coordination of braking and hoisting are the key and core points for safety design.
液压提升机的防爆、提升过程中的超速、过卷保护、液压系统的高、低压保护及升降与制动工作协同性是其安全性设计的核心与关键。
Its explosion proof property, over speed and over reel control, prevention of high and low hydraulic pressure, and coordination of braking and hoisting are the key and core points for safety design.
液压提升机的防爆、提升过程中的超速、过卷保护、液压系统的高、低压保护及升降与制动工作协同性是其安全性设计的核心与关键。
应用推荐