gōng / chéng / shī / lì / yòng / bǎi / xiàn / de / tè / diǎn / shè / jì / le / yì / zhǒng / xīn / de / chuán / dòng / zhuāng / zhì工程师利用摆线的特点设计了一种新的传动装置。The engineer used the properties of a cycloid to design a new transmission device.