plugging

短语词组

短語

• 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
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