跨距长度
- un.length of span
- 网络Span length; space-length
跨距长度跨距长度
Span length
直角三角形_馆档网 ... "跨距,翼长"," span" "跨距长度"," span length" "扳手"," spanner" ...
space-length
名词索引 - 豆丁网 ... 空间厚度 geometric thickness 跨距长度 space-length 扩展 extend/spread ...
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