balancing couple造句

• Although designed to work freight trains, two were modified with specially balanced coupled wheels to operate the " Cooma Mail " south of Goulburn.
• Following further investigations, 24 of the class received balanced coupled wheels and these were permitted to operate at higher speed on mail and fruit trains.
• "It's happened three times in recorded history and is said to be the result of an unusual trade wind balance coupled with a low pressure system.
• All of these organisations I am sure are doing a lot of good work although you would think it was all the the work of the NWPL . But in the end they are all campaigning on a local issue and rightly some of the more notable points should be included in the main Gatineau Park in a balanced couple of sentences as suggested by another editor.