... arithmetic progression 等差级数,等差数列... progression jet 起动喷嘴 harmonic progression 调和级数 ...
基于14个网页-相关网页
起动喷嘴 progression jet 启动喷嘴 pilot burner; pilot jet; progression jet; starting jet; torch igniter assembly 驱动喷嘴 driving nozzle .
基于1个网页-相关网页
progression jet plug 启动喷口螺塞
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