plugging
短语词组
- plugging instrument 充填器
- plugging forceps 填塞鉗
- plugging compound 填充料
- plugging switch 逆流制動開關;插入開關
- plugging machine 塞瓶機
- selective plugging 選擇性封堵
- nozzle plugging 噴嘴堵塞
- permanent plugging 永久性堵塞
- plugging material 封堵材料
- plugging agent 堵水劑，封堵劑 返回 plugging