drop shutter test 坠落试验
This paper presents the test results of cold and hot state for concentric ver-tical shutter steam separator used in vertical natural circulation steam generators.
本文介绍了用于立式自然循环蒸汽发生器的同心立式波形板汽水分离器的冷、热态试验结果。
Let's test this: each shutter opening results in either a good photo or a spoilt one.
我经常要拍集体照的，我常想至少要按多少次快门我才可以拍到没人眨眼的照片。
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