volling 中文意思是什麼
volling
解釋
弗林-
2. the volling - ball rod is made in germany. it is stable flex ible and is hard enough to bear the processing better than before. its exactness and stability have also increased
德國產滾珠絲桿，傳動平穩靈活剛性強，承載加工能力和精度穩定性大幅度提高
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