Couplings
['kʌplɪŋ]
例句:
- Couplings in these pipes serve to quickly disconnect the engine when the run to the fire is to be made. Edward W. Byrn. 十九世纪发明进展.
- This air passing through a train pipe connected by hose couplings between cars charges an auxiliary reservoir under each car. Edward W. Byrn. 十九世纪发明进展.
- The year 1900 is to witness the compulsory adoption of automatic car couplings on all cars. Edward W. Byrn. 十九世纪发明进展.
杰德手打