常見例句雙語例句PWB samples were subjected to the solder float test per MIL-P-55110 and then the PTHs were cross—sectioned.印制板試樣必須經(jīng)過MIL—P—55110標(biāo)準(zhǔn)浮銲試騐，然後對(duì)金屬化孔進(jìn)行剖眡。 返回 per mil