via holevia opening通路: thoroughfare; highway; highr ...孔: hole; opening; aperture盲通路孔: blind via通路孔, 辅助孔: via hole埋入的通路孔: buried via下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:通路孔，即可在微信中查询翻译
