常見(jiàn)例句雙語(yǔ)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(guò)MIL—P—55110標(biāo)準(zhǔn)浮焊試驗(yàn)，然后對(duì)金屬化孔進(jìn)行剖視。 返回 per mil