并联孔开孔补强

【化】 reinforcement of multi-openings

并联的英语翻译：

multiple; parallel connection
【计】 parallel
【化】 connection in parallel; in parallel; parallel connection

孔的英语翻译：

aperture; bore; foramen; hole; os; ostium; vulva
【化】 hole; opening
【医】 apertura; aperturae; aperture; bore; coel-; foramen; foramina; hiatus
mesh; opening; pore; Pori; porosity; porus; trema

开孔的英语翻译：

【化】 opening; perforate

补强的英语翻译：

【化】 reinforcement; reinforcing