开路自给式呼吸器open circuit: 【电学】开路。 apparatus: n. (pl. apparatus(es)) 1.器具, ...scba closed circuit apparatus: 闭路自给式呼吸器scba open circuit a aratus: 开路自给式呼吸器open circuit breathing apparatus: 开路呼吸器下载手机词典可随时随地查词查翻译