📚
英语字典
首页
|
详情
搜索
Indicator
n.
1970-01-01
·
3
·
0
·
0
·
0
释义
A telltale connected with a hoisting machine, to show, at the surface, the position of the cage in the shaft of a mine, etc.
上一条:
Indicator
下一条:
Indicator
留言
评论