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A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, Between that valve stem 3 and the valve cov 2 there is provided a packing assembly 9, The O-ring 10 is further arranged at the upper part of the packing assembly 9, the upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12, the arc-shaped end face 12 forms a line seal between the valve body 1 and the valve seat 7, the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer, and the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity.　　第二部谭坤(push推哥)真的是暖男了对沐恩始终一心一意的。最后关头为了救前女友皮娇(Bee)为她挡了一枪，被林音打死了。而此时沐恩的孩子也出生了还不知道是他的还......The Spirit of Zodiac-RabbitShankar多次表示他对Fox电视台是否能够接受这种拍摄手法表示怀疑。作为拍摄的重要一环，Sara被困在车下，周围都是循环流动的水。 Shankar说他有点紧张，虽然Joria是个经验老道的演员，拍摄的安全系数也几乎是百分之百，但是当你看到这种场景的时候，肚子里禁不住还是打了个结。3. HR and director or general manager interview, we can call it leader interview; The code is as follows:Summary: