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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.THC SSL DoSBut this matter, Li Gang fell into the thinking of the poor from the very beginning. "I didn't think about whether the housing in the study area is a necessary and reasonable goal, but I first considered whether there is enough money."圣诞前夕，麦卡伦正在华盛顿的机场等待妻子乘飞机归来过节。然而无意中他却发现了一个重大的阴谋：被议会解职的特种部队施上校正率领部下准备解救被引渡的中美洲毒枭艾将军。麦卡伦将此事告知了机场警卫队的罗队长，但后者的官僚作风和愚蠢却使这一切未能得到阻止。施上校带领部下占领了机场附近的一座小教堂，设置了一个飞行控制中心，并切断了机场控制塔与空中的一切联系，使众多的客机无法降落。而麦卡伦的妻子霍莉此时却正在其中的一架飞机上。为了解救妻子和在空中的众多客机，麦卡伦不得不再次进行艰苦的努力。陈平担心道：元帅，要不此事先与范老先生商议之后，再做决断？请教范增，无疑是最稳妥的做法。众兄弟姊妹各显身手，有弹琴的，有吹箫的……挨个演奏下来，跟刚才的舞比，令人耳目一新。