下唇：一种唇状结构，如组成某些无脊柱动物的下唇基节，尤指昆虫。
A liplike structure, such as that forming the floor of the mouth of certain invertebrates, especially insects.
既然，花无心颈部的血痕是花无痕用唇造就的。
Since, the blood scar that spends a not intentional neck is to spend seamless use what lips realize.
终端开口与转动风扇的比较表明，无隔道进气道的后向散射主要来源于外罩唇口的电磁波散射。
The comparison results of the bump inlet with opening terminal and with rotating fan at the outlet indicate that the electromagnetic scattering comes mostly from the mouth of inlet.
终端开口与转动风扇的比较表明，无隔道进气道的后向散射主要来源于外罩唇口的电磁波散射。
The comparison results of the bump inlet with opening terminal and with rotating fan at the outlet indicate that the electromagnetic scattering comes mostly from the mouth of inlet.
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