常見(jiàn)例句雙語(yǔ)例句Identifying the vacuum property of metal materials is very helpful to the manufacture of electronic devices.鋻別電真空用金屬材料真空性能的好壞，對(duì)電真空器件的生産有直接幫助。Purifying selenium by vacuum distillation. Metal selenium purification is on the base of different elemental volatility.真空蒸餾提純硒利用元素的揮發(fā)性不同進(jìn)行金屬硒的提純。According to the technology and configuration of the vacuum braze welding metal honeycomb parts, the technique of ultrasonic inspection for them was studied.針對(duì)金屬蜂窩真空釺銲件的工藝及結(jié)搆特點(diǎn)，探討了利用超聲波法對(duì)其質(zhì)量進(jìn)行檢測(cè)的可行性和可靠性。權(quán)威例句Lin, Justin, and Marie examined the semi-conductor industry, where the initial reliance on vacuum tubes was replaced by bipolar technology, which in turn was replaced by complementary metal-oxide semiconductors (CMOS).FORBES: Big Firm Innovators: What Large Companies Can Do to Be Just as Innovative as Small Entrepreneurial Ones 返回 vacuum metal