P 開頭單詞
protection class 防護等級；保護級別；密封等級
protection circuit [電] 保護電路
protection by corporation law [法學]公司法保護
protection against bird flu [生物學]禽流感防控
protection n. 保護；防衛(wèi)；護照
protectingly adv.加以保護地
protecting tube 保護琯
protecting lacquer [交通運輸工程]防護漆
protecting jacket 安全罩；保護套
protecting hood 防護罩；護蓋
protecting glass 玻璃保護罩
protecting film 保護膜，防護膜；保護層
protecting equipment 防護設備；保護裝置
protecting device 防護設備；保險器
protecting cap 防護罩，護帽
protecting canada's immigration system act
protecting cage [土木建築工程]防護梯籠
protecting babyhood industry theory [經濟學]幼稚産業(yè)保護理論