rail tread 中文意思是什麼
rail tread
解釋
鋼軌踏面-
Specification for tyres for crane rail wheels - double - flanged parallel - tread tyres
起重機軌輪用輪箍規范.第1部分:雙法蘭平行輪距輪箍 -
Cranes ; tread profile of crane rail wheels and table of rails for different wheel diameters
起重機.起重機軌道輪的觸軌面輪廓和不同軌輪直徑軌道
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