英语词汇penetration bead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	penetration bead
释义	penetration bead 美/ ?pen??tre??n bi?d / 简明释义熔透焊道网络释义 1 ?熔透焊道 ... 封底焊道（back bead）熔透焊道（penetration bead）摆动焊道（weae bead） ... 2 ?根部焊道 ... penetration agent 穿透剂 penetration bead 根部焊道 penetration cable mainspring 进尺测量索恢复弹簧 ... 双语例句 1 It is necessary to extract molten pool geometrical parameters in real time or to extract back bead width off-line either in seam tracking or in penetration control. 不论熔透控制还是焊缝跟踪，都需要实时或离线提取焊接熔池正面或反面的几何参数。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。