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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, An O-ring 10 is further dispose at that upper portion 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, the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity, and the two O-rings 10 are respectively arranged on the inner side and the outer side of the packing gland 11.* Do your best心理治疗师Ben因与女学生有染被妻子Vivien发现，经协调决定带着女儿Violet一家搬到洛杉矶开始新生活。但各式奇怪的人接踵而来：亦老亦少的女仆Moira；能预知的诡异女孩Adelaide；穿黑色紧身橡胶服的神秘人；满脑子古怪念头的病人Tate，不请自来的邻居Constance，令人不寒而栗的跟踪者Larry。而地下室里的怪物；萦绕不去的幽灵；坛坛罐罐里的秘密实验，这些离奇事件也似乎在证实这所房子隐藏着不可告人的神秘。Women: 500 meters, 1000 meters, 1500 meters, 3000 meters, 5000 meters;　　沉眠着现在的人类无法制造的贵重遗物。Component Number Partition Definition Rules (Trial Draft)所以尹旭只知道有人可能对他不利，却不知道何时何地，会是什么人？如何动手？尹旭有所察觉，自然也就有些戒备，没了出其不意，怕是达不到预期的效果。