定量型吸入气雾剂的阀门系统包括A、定量杯B、橡胶封圈C、弹簧D、涤纶膜E、阀杆

作者: rantiku 人气: - 评论: 0

问题定量型吸入气雾剂的阀门系统包括

选项 A、定量杯 B、橡胶封圈 C、弹簧 D、涤纶膜 E、阀杆

答案 ABCE

解析

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