heat settig for narrow width返: return定: galipidine封: close; seal度: surmise; estimate密封度: airtightness; degree of packing; degree of tightness; forest density; tightness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:返定封度，即可在微信中查询翻译
