n.风阀；减音器；阻尼器；抑制
Damper actuators and air quality control document should be sent today. 今天应当发送风阀执行器及空气质量控制文件。
Now the damper became a must, a life saver! 现在制音器变成必需设备,救助器!
Rain put a damper on our picnic plans. 大雨阻止了我们的野餐计划
Mary's absence cast a damper over the party. 玛丽缺席使晚会为之扫兴。
阻尼器
