常見例句雙語例句The formulation and technology of nitrocotton organic film on the second-stage screen in two-stage series IR image converter tube are described.論述紅外二級(jí)串聯(lián)變像管第二級(jí)屏工藝中硝棉有機(jī)膜的配方及工藝。 返回 image-converter tube