常見(jiàn)例句

雙語(yǔ)例句

• This paper reports a method for making a suction board for keeping precise ly the photographic paper at due position during the exposure in a large -scale horizontal enlarger.
  本文介紹了一種與大型臥式放大機(jī)配套的吸附式承影板的技術(shù)要求、結(jié)搆原理和性能特點(diǎn)。
返回 horizontal enlarger