fill opening meaning in English

加料口
注水口
装料孔

How to : fill open figures
>如何：填充开放图形
Process by which a company assesses qualified individuals to fill openings in the company
公司评估并选出符合条件的应聘者来公司任职。
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