国模大胆无码私拍啪啪AV/第02集/高速云m3u8

Cabernet Franc-Cabernet Franc一个年纪在三旬左右，端庄华贵，姿色不俗。It's the id of your station b again.In the second season of "Charming China City", it will continue to select 32 cities with the most characteristics and vitality in China, and will lead the competition team with city leaders to show the unique culture and charm of the city through different forms such as creativity, science and technology, culture and intangible cultural heritage. Thirty-two cities passed two rounds of competition, and the 2018 "Top Ten Charming Cities", "Outstanding Charming Cities" and "Charming Cities" were jointly voted by the guest group and the audience.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, An O-ring 10 is further dispose at that upper portion of the packing assembly 9, An upper part of that O-ring 10 is provide 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, the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity, the two O-rings 10 are concentric arranged, and the inner diameter and outer diameter of the two O-rings are different.