例句與造句

1. These replaced the previous flat steel leaf spring gear.
2. The helical spring gear and rigid 12 Do12 frame were taken largely unchanged from the E 18.
3. These locomotives were the first in South Africa to be equipped with compensated spring gear on all coupled wheels.
4. The eight rigidly mounted wheels were fitted with overhead laminated bearing springs, while the spring gear for each pony truck and two adjacent axles were compensated throughout the springing system, constituting two equal groups.
5. It's difficult to find spring gear in a sentence. 用spring gear造句挺難的