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横跨式座椅saddletypeseat安全标准SafetyRegulation道路车辆安全标准SafetyRegulationsforRoadVehicles耐盐水腐蚀试验SaltedWaterResistanceTest机动车样本samplemotorvehicle采样频率Samplingfrequency采样方法Samplingmethod取样探头samplingprobe饱和水蒸气压Saturatedwatervaporpressure预售量Scheduledsalesquantity学龄儿童schoolchildren范围Scope螺钉screw（换档杆轴）螺塞screw行星齿轮轴螺钉screw,planetpinion防尘罩,油封,密封垫seal主动齿轮油封总成sealassy.,axlepinion座椅安全带SeatBelt座椅安全带固定装置seatbeltanchorage幼儿用座椅seatforinfants座板seatpan靠背插入式seatbackinsertiontype座席定员Seatingcapacity乘坐基准点seatingreferencepoint幼儿专用车上的幼儿专用座椅Seatsforinfantsininfant-carryingvehicles设置在安全门附近的座椅Seatsneartoemergencyexits客车装备的座椅seatsprovidedforinbuses第二压缩环second