straight fan直扇状流
straightadj.直的;坦率的;正直的;准的;连续的;异性恋的adv.笔直地;直接;坦率地;连续不断地n.直的东西;传统的人;异性恋者
straight screw sleeve connection钢筋套筒连接
straight side double crank press闭式双点压力机
straight line conjugated profile直线共轭
Straightly Stand on Wooden Shelf木托架立装
straight forwardjunction working直通汇接呼叫制
straight and conical gear shaper直齿-锥齿轮刨齿机
straight pin porcelain insulator直脚瓷瓶
straight-blade centrifugal fan直叶离心式风扇