throw away elementthrow-away element更换: renewal; change; replace; tr ...型: mould; model元件: element; component; part; ce ...动量交换型元件: momentum interaction element超小型元件: microelement; miniature component; subminiature下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:更换型元件，即可在微信中查询翻译
