According to the different controlled types, car safety air bags can be divided into mechanically controlled type and electrically controlled type.
汽车安全气囊按控制类型不同，可分为机械式和电子控制式两类。
The throttler may be approximately divided into two types, one is mechanically con-trolled type and the other is vacuum controlled type.
节气门大致可分为两种类型，一类是机械控制式，另一类是真空控制式。
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