注入孔 meaning in English
bung hole
fill orifice
filler hole
filling hole
filling opening
filling orifice
injection hole
injection port
Examples
- 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