tread


  • 翻译:踏板,级宽

同义词

1)tread,踏板,级宽2)step,级踏板踏步3)step plate-step tread,step tread,梯级踏板4)rise and run ratio,踏步级高与踏步宽比5)riser,梯级踏步竖板6)first step height,一级踏板高度

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