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Quieter -- but no less lively -- is this turbocharged four-banger from mazda 's race and street car tuners .

马自达（Mazda）的这款四缸涡轮增压跑车和上面几款肌肉车比起来虽然动静较小，但同样活力十足。

Am tuners for car radios and home stereos .

上午车用收音机调谐器和家庭音响。

How many piano tuners are there in massachusetts ?

马萨诸塞州有多少钢琴调音师？

By now , about 300 taxicabs are already running on the streets with the tuners playing tv programs for passengers .

截至目前，大约有300辆出租车已经带着车载电视上街载客了。

7 How many piano tuners are there in the entire world ?

7全世界有多少个钢琴调音师？