Janney coupler
短语詹尼车钩
词形变化
Janney couplers
复数
Janney couplers
释义与例句
n.
-
1.
A semi-automatic form of railway coupling allowing cars and locomotives to be securely linked together without rail workers having to get between the vehicles.
詹尼车钩
词源
Patented in 1873 by Eli H. Janney.
来源:wiktionary