A lower part of the space shuttle extravehicular activity spacesuit. It resembles a pair of trousers and includes integrated boots and a waist ring to attach it to the hard upper torso.
科学参考收录了60776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。