炮火空袭夜 Cannons of Night
耐火空心球制品 refractory bubble product
探空火箭 [航] sounding rocket
氧化铝耐火空心球制品 alumina refractory bubble products
空气淬火 [机] air quenching ; air hardening
真空淬火 vacuum quenching
萤火虫飞越天空 Fly firefly through the sky ; fly through the sky
真空退火 [机] vacuum annealing
火箭探空仪 [航] rocketsonde
高空火箭 high altitude rocket
我的父亲用土做了一个特殊的床我们叫“炕”，它的中间是空的，这样来自厨房的火就可以通过它使炕能变暖。
My father made our special bed that we call it "Kang" using soil. Its middle is empty so that the fire from kitchen can pass it and make our "Kang" warm.
火区下部空区和燃烧中心区的勘探在煤田火区环境治理过程中十分重要，常规的勘探方法难以解决。
The detection of cavities and burning hotspots under the fire zone are very important during the coal fire fighting process, which could hardly be solved by the conventional detection technologies.
空罐立在地上，她屋角的灯，油尽火灭了。
The empty jar lay on the floor and her lamp had burnt itself our in the corner.
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