But they have never thought of the following scene: the chimney at the top of the kitchen might break, the fire might leap up to the roof and the burning purling might destroy their nests. 它们完全没有考虑到:炉灶上的烟囱有可能会炸裂,火苗将会窜上屋梁,烧着的椽将会摧毁它们的巢穴。
The water from the fields is rushing in numberless, purling streams to the river. 田野里无数的水流汇聚到河里。
Supervision Ways on Quality Control of Huge Amount Concrete Purling of High Building Basement Construction.; Shape Study on Large-discharge Flood-releasing Energy Dissipator for Crest Spillway of Medium and Small-sized Arch Dam 高层建筑基础工程大体积混凝土施工质量的监理控制中小型拱坝表孔大流量泄洪消能建筑物体形研究
The focus of this research is the UF unit used in the pretreatment of minitype RO water purling settling. 本研究以用于小型RO纯水装置前处理的UF单元为重点,从膜材料选择、膜精度、使用压力和清洗方法等方面进行了系列实验,对UF单元结构进行了优化设计;