oil filler plug meaning in English
滤清器螺塞
注油堵
注油塞；加油塞
Examples
- Oil filler plug : it is necessary to fill no . 30 machine oil or no . 20 gear oil before using aerator , until oil reaches oil plug hole on the side and overflows
注油油塞：增氧机使用前，必须先注入30号机械油或20号齿轮油，注油量达到侧面油塞孔有油流出为止。