evacuated chamber真空室;真空容器
Evacuated solar collector tubes真空集熱管
evacuated display tube真空顯示管
evacuated glass envelope真空玻璃管
evacuated tube collector真空管集熱器
evacuated housing真空罩;抽真空罩;真空室
evacuated pores真空孔隙
evacuated container真空箱
evacuated tube真空管;電子管;抽成真空的電子管
1. emptied by being pumped out or having a vacuum created;
"a highly evacuated glass tube"