70C+80B淋雨测试

Time:2018/07/19

70C淋雨测试

Time:2018/07/19

80B淋雨测试

Time:2018/07/19

喇叭寿命测试

Time:2018/07/19

喇叭盐雾测试

Time:2018/07/19

喇叭震动测试

Time:2018/07/19