absolutes Vakuum (S, Tech) [jue2 dui4 zhen1 kong1] 
绝对真空 Druckvakuumpumpe (S, Phys) [ya1 suo1 zhen1 kong1 beng4] 压缩真空泵 Elektronenröhre (S) [zhen1 kong1 guan3] 真空管 Emissionsvakuum-Spektroskopie (S, Phys) [fa1 she4 zhen1 kong1 guang1 pu3 xue2] 发射真空光谱学 Feinvakuum (S) [zhong1 du4 zhen1 kong1] 中度真空 Fenster mit Doppelverglasung (S, Tech) [shuang1 ceng2 zhen1 kong1 bo1 li5 chuang1] 双层真空玻璃窗 Grenzvakuum [ji2 xian4 zhen1 kong1 du4] 极限真空度 Höchstvakuum (S) [ji2 gao1 zhen1 kong1] 极高真空 Hochvakuum (S) [gao1 du4 zhen1 kong1] 高度真空 luftverdünnter Raum [ju2 bu4 zhen1 kong1] 局部真空 Machtvakuum (S) [quan2 li4 zhen1 kong1] 权力真空 Niemandsland (S) [zhen1 kong1 di4 dai4] 真空地带 Rohvakuum (S) [chu1 du4 zhen1 kong1] 初度真空 Staubsauger (S) [zhen1 kong1 xi1 chen2 qi4] 真空吸尘器 Unterdruckmesser (S, Phys) [zhen1 kong1 biao3] 真空表 Unterdruckpumpe (S, Phys) [zhen1 kong1 beng4] 真空泵 Vakuum (S, Phys) [zhen1 kong1] 真空 Vakuumabdichtung, Vakuumdichtung (S)vakuumdichte Verbindung (S) [zhen1 kong1 mi4 feng1] 真空密封 Vakuumdichtheitsprüfung (S, Phys) [zhen1 kong1 jian3 lou4] 真空检漏 Vakuumentgasung (S, Phys) [zhen1 kong1 chou1 qi4] 真空抽气 Vakuumerzeuger (S) [zhen1 kong1 fa1 sheng1 qi4] 真空发生器 Zweikammerunterdruckbremszylinder (S, Tech) [shuang1 shi4 zhen1 kong1 zhi4 dong4 gang1] 双室真空制动缸 
真 real, actual, true, genuine 空 empty, hollow, bare, deserted 
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真空 + 