and it will do it at half the price and doesn't need compressed air . 費用も半減し圧縮空気も不要です
a car , which runs on compressed air 空気圧で走る車で
and compressed air comes out 穴から出てくる圧搾空気で
we're using compressed air . 圧搾空気を使っています
when a shinkansen train enters a tunnel , a tremendously large noise is generated at the exit side of the tunnel due to the compressed air . トンネル突入の際、圧縮された空気により、退出側の坑口周辺で凄まじい騒音が発生する。