?手工操作设备
手工操作设备 manually operated equipment 人工操作程序 manual procedures ..
It meant equipment that would normally automatically close the barriers had been switched off and was being operated manually by an attendant at the crossing.
BBC: Ufton Nervet level crossing
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。