“antismudge ring”的概念、定义、翻译、参考文献-科学参考

单词	antismudge ring
释义	antismudge ring [¦an·tē¦smǝj `riŋ] ^{BUILDING CONSTRUCTION} A frame attached around a ceiling-mounted air diffuser, to minimize the formation of rings of dirt on the ceiling.
随便看	bracketing salvo Brackett series brackish Braconidae bract bracteolate bracteole bractlet brad bradding Bradfordian Bradley aberration bradleyite bradyauxesis bradycardia bradydiastole bradyesthesia bradykinesia bradykinetic syndrome bradykinin Bradyodonti bradypnea Bradypodidae bradytely Bragg angle

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