NASA says Discovery is in good shape even if a piece of fabric filler is still sticking out from some thermo tiles. 美国国家航空和宇宙航行局称尽管有一片结构填充物从隔热瓦片中伸了出来，但是发现号的外形依然良好。
The product adopts large-a-rea diaphragm structure with high pressure and high flow rate,reliable performance and long service life. 产品采用较大面积的膜片结构，压力特性和流量特性好，性能可靠，使用寿命长。
