... penetration 贯穿,穿透 penetration frequency 穿透频率 penetration of current 电流穿透深度 ...
基于146个网页-相关网页
critical penetration frequency 临界穿透频率
optimum penetration frequency 最佳穿透频率
frequency of penetration [物] 穿透频率
audio-frequency electrical penetration 音频电透视
low-frequency medicament penetration instrument 低频超声药物渗透治疗仪
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