lubricator groove的用法和樣例：
例句
- Usually, the outer ring of the TL bearings has grease groove, bearings having no grease groove are to be provided, too.
外球面球軸承外圈一般帶油槽，也生產外圈無油槽的產品。 - There is one oil groove in the bronze bushing, where lubricant can flow into the axis from the oil hole on the cap of housings.
軸瓦內表面的不承擔載荷部分開有油槽，潤滑油通過進油孔和郵溝流進間隙。
