安全梯 ānquántī emergency staircase Definitions Defs Origin Strokes Stroke Words Sentences Sents 安全梯 ānquántī emergency staircase emergency staircase or fire escape, typically on the exterior of a building; also referred to as a 避火梯 bìhuǒtī Frequency Written text 0.007 per million Cross-References Synonym 避火梯 bìhuǒtī Sources Frequency data BCC Corpus (BLCU)
安全梯 ānquántī emergency staircase emergency staircase or fire escape, typically on the exterior of a building; also referred to as a 避火梯 bìhuǒtī Frequency Written text 0.007 per million Cross-References Synonym 避火梯 bìhuǒtī Sources Frequency data BCC Corpus (BLCU)
