实心

The tires of the earliest cars were solid.

最车轮胎是实心。

The series nozzles with different characteristics as angle of nozzle core,outlet length and outlet turbination are machined.

国内外除雾器冲洗喷嘴一般采用实心锥喷嘴,考核喷嘴性能重要标是扩散角和均匀度。