“longeron”可以造什么句，longeron造句

longeron for railway or tramway locomotives or rolling-stock

The test results from the standard circles with different radii and the industrious application of the stiffening plate of Santana's front longeron were presented.

One design trait shared by all Aeronca designs, except the Tandem Trainer and military L-3's, was a three longeron fuselage.

Technique Research on welding "H" type longeron;