英语词汇necking down怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	necking down
释义	necking down 美/ ?nek?? da?n / 简明释义缩颈：指在印刷电路板上的通孔或接触点的交汇处，通常呈现出滴状的特征。网络释义 1 ?颈缩 ... necking缩颈 necking-down颈缩 necrolite黑云安粗岩 ... 短语 1 necking down 缩口 ; 收缩 ; 机颈缩 ; 缩颈 2 necking down bolt 减径螺栓 3 necking down formation 缩颈地层双语例句 1 If this arc voltage saltation information can be extracted, we will get the characteristic information of necking down formation. 若能从电弧电压信号中提取出拐点发生时突变的信息，则可望提取到缩颈发生的特征信息。
随便看	Visitor Location Register visitor pattern visitor pattern visitor(s) visitor's visitors visitors book visitors' book visitor's book visitors capacity visitors center visitors flowrate visitors gallery visitorship visitors investigation visitors management visitors not admitted Visitors,Patients' visitors regulation visitor's seat visitors statistics Visitors to Patients visitor team visitor team visitour

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