n.風(fēng)閥；減音器；阻尼器；抑制

Damper actuators and air quality control document should be sent today. 今天應(yīng)當(dāng)發(fā)送風(fēng)閥執(zhí)行器及空氣質(zhì)量控制文件。

Now the damper became a must, a life saver! 現(xiàn)在制音器變成必需設(shè)備,救助器!

Rain put a damper on our picnic plans. 大雨阻止了我們的野餐計劃

Mary's absence cast a damper over the party. 瑪麗缺席使晚會為之掃興。

阻尼器