P 开头单词
protection class 防护等级；保护级别；密封等级
protection circuit [电] 保护电路
protection by corporation law [法学]公司法保护
protection against bird flu [生物学]禽流感防控
protection n. 保护；防卫；护照
protectingly adv.加以保护地
protecting tube 保护管
protecting lacquer [交通运输工程]防护漆
protecting jacket 安全罩；保护套
protecting hood 防护罩；护盖
protecting glass 玻璃保护罩
protecting film 保护膜，防护膜；保护层
protecting equipment 防护设备；保护装置
protecting device 防护设备；保险器
protecting cap 防护罩，护帽
protecting canada's immigration system act
protecting cage [土木建筑工程]防护梯笼
protecting babyhood industry theory [经济学]幼稚产业保护理论