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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 11.2. Click "Accept License Agreement" and click the appropriate package to download:This.memento = memento;AUTO is automatic and the camera selects the shutter speed itself. The other is the specific value of the shutter, from 1/4000 second to 30 seconds, which you can set according to the specific situation.外加徐文长主动提出送回毛海峰，胡宗宪对于徐文长最后的一丝疑虑也烟消云散。板栗在心里把钱明的祖宗十八代都骂了一遍，一面脸上堆笑道：皇上，此乃军士们喊的气话，并非臣的意思。杰克·德里斯科尔从都柏林转移到他的出生地－爱尔兰最西端的地区加尔达。他在这里的第一起重大案件，是调查一名年轻女子在大篷车内的尸体发现案，案情错综复杂，牵涉勒索、性虐待以及当地旅馆老板，同时是杰克父亲最好的朋友的声誉。杰克不懈地追求真理，并与一名年轻护士渐行渐近...广受好评的电视剧，扎实的剧本和演出，近年最受好评的爱尔兰制作