“half keystone ring”的概念、定义、翻译、参考文献-科学参考

单词	half keystone ring
释义	half keystone ring 单面梯形活塞气环
随便看	geoelectricity geo-electric measurement geoexploration geoflex geofracture geogeny geognosy geogony geographic(al) geographical concentration geographical conditions geographical coordinates geographical cycle geographical demarcation geographical distribution geographic(al) distribution geographic(al) element geographic(al) horizon geographical isolation geographic(al) latitude geographical layout geographic(al) longitude geographically load-shedding geographic(al) map geographical map

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。