简易呼吸器self: n. (pl. selves ) 1.自己;自身;本身; ...inflate: vt. (opp. deflate) 1.使膨胀;【机械 ...bag: n. 1.袋,囊;枕套。 2.钱包;手提皮包;〔pl.〕 ...laerdal self-inflating bag: laerdal自充气袋self inflating polyurethane bag: 聚氨基甲酸乙酯材料制简易挤压呼吸器下载手机词典可随时随地查词查翻译