油标 meaning in English

oil gage
oil level sight glass
oil leveler
oil pointer
oil scale

Oil level indicators push - fit round type
压配式圆形油标
With credits from solar rooftop power , live essentially oil - free of the gasoline pump , free of smog checks , oil changes and tune ups
采用屋顶太阳能电源，不用汽油泵，不用尾气检查，不用担心机油变化和油标上升。
Filling opening for immersed transformers without conservator , allowing the setting of a level indicator or a protection device . interchangeability dimensions
无存油箱有油标或保护装置的浸油变压器的注入孔.互换尺寸
Hybrid cars that can not plug in to charge are still tied to the gasoline pump , still require oil changes , smog checks and tune ups
混合动力汽车能不能插入式充电，依然绑在汽油泵的基础上，依然需要用石油，尾气检查，和油标上升。