The double card gap tests of explosives were conducted. In the tests, the delayed detonations (XDT) of JO?9159 explosives were recorded with an X?ray camera.是什么意思_The double card gap tests of explosives were conducted. In the tests, the delayed detonations (XDT) of JO?9159 explosives were recorded with an X?ray camera.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句