英语词汇pinch effect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	pinch effect
释义	pinch effect 美/ p?nt? ??fekt / 简明释义收聚效应；收缩效应双语例句 1 Objective:To explore the effect of success ratio and extra factors by two methods of pinching needle handle in infantile scalp vein puncture, and to improve puncture quality. 目的：探讨不同持针方法对小儿头皮静脉穿刺成功率及其他因素的影响，提高静脉穿刺质量。
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