continuous rib造句

例句与造句

1. Unlike pneumatic tires which use a separate inner tube, tubeless tires have continuous ribs molded integrally into the bead of the tire so that they are forced by the pressure of the air inside the tire to seal with the flanges of the metal rim of the wheel.
2. It's difficult to find continuous rib in a sentence. 用continuous rib造句挺难的