A study is provided here for the application of plastic design to the industry building frame with medium or lightcrane loading.
本研究为在中、轻级工作制的吊车厂房刚架结构中应用塑性设计，提供了研究成果。
2
Electric hoist bridge crane is a small light lifting equipment.
谁给翻译一下啊电动葫芦桥式吊车，是一种轻小型起重装备。
3
We have observed slightly older infants who, when lying on their backs on the floor, crane their necks around180 degrees to catch what light through yonder window breaks.