常見例句雙語例句This accessory is rotating shaft, and its feature is helical oil groove. Therefore, during the product rotating course, friction surface can be well lubricated at any angle.此零件爲(wèi)轉(zhuǎn)軸，特征爲(wèi)帶有螺鏇油溝，故在産品轉(zhuǎn)動過程中，在任意角度時(shí)，磨擦麪均能得到很好的油脂潤滑。 返回 helical oil groove