英语词汇“safety tread”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	safety tread
释义	safety tread noun : a surface on a floor or deck (as at the top and bottom of a ladder) designed to prevent slipping
随便看	cob cob cactus cob coal cob meal cob pipe cob rot cob's-dipper cob-nosed Cobaea cobalamin cobalamine cobalamines cobalamins cobalt cobalt 60 cobalt bloom cobalt blue cobalt bronze cobalt chloride cobalt fluoride cobalt glance cobalt glass cobalt green cobalt oxide cobalt pyrites

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safety tread