manual signal

http://www.ptsgi.com/chines... ... "手动开关"," Manual switch" "手动号志机"," Manual signal" "手动解锁器"," Release,hand" ...

英语单词查询 ... manual shutoff valve 手控断油(停车)开关 manual signal 手动信号(机) manual signal box 人工信号楼 ...