plugging

短语词组

短语

• plugging instrument 充填器
• plugging forceps 填塞钳
• plugging compound 填充料
• plugging switch 逆流制动开关;插入开关
• plugging machine 塞瓶机
• selective plugging 选择性封堵
• nozzle plugging 喷嘴堵塞
• permanent plugging 永久性堵塞
• plugging material 封堵材料
• plugging agent 堵水剂，封堵剂
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