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西门子弗兰德减速机:中国硬齿面减速机的标准源于弗兰德。
Siemens FLD gear Units: Chinese standard of hard surface gear unit origins from FLD standard.
youdao
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西门子弗兰德减速机:中国硬齿面减速机的标准源于弗兰德。
Siemens FLD gear Units: Chinese standard of hard surface gear unit origins from FLD standard.
youdao