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."There are close combat, But that was later, At the beginning, They rush up, Let's fight, Because the speed is too fast, Most of them can't be hit, Only a few machine guns were shot down by strafing. It is too difficult to hit an automatic rifle with a single shot, Fully automatic shooting and uncontrollable, Fortunately, in the end the mines blew them up. I don't even know what they are, However, no one can see that landmines play an important role. In order to be able to withstand the possibility of a similar attack, The company commander sent four comrades to re-mine, We provide cover up there, As a result, they had just finished their cloth and were ready to come back. That is, the time of the front and rear feet, Another batch rushed up below, This time the number is much higher than last time. I took a look at it, It is estimated that there are at least 30, When the reaction comes back, They rushed up to the four comrades, The two sides mingled, Dare not throw grenades, Afraid of bombing one of his own, Shooting is also restricted, Still afraid of accidental injury, With such a delay, three of the four comrades were tackled by those things, and the remaining one was quick in legs and feet. I remember he first shot with his backhand and knocked out the one closest to him, and then he wanted to save people. Besides the company commander, there was also a platoon officer on our side. The platoon officer shouted to death with a broken gong voice, shouting only two words, "come back!" , probably out of instinct plus the role of command, he hesitated for a moment and turned to run back, and he ran back, is to pick up a life, but the other three comrades, born by those things to tear, some bit off the throat, some was torn off the arm· Installation and drive management “鸟的迁徙是一个关于承诺的故事，一种对于回归的承诺。”雅克·贝汉以这样一句话带我们踏上了鸟与梦飞行之旅。毫无疑问，[迁徙的鸟]直接界定了世界顶级纪录片“获取真实”的标准——前后共600多人参与拍摄，历时3年多、耗资4000多万美元，景地遍及全球50多个国家和地区，记录胶片长达460多公里。这部动用了17个世界上最优秀的飞行员和两个科学考察队的电影甫一出世，就引起轰动。短短三个星期内就有250多万法国人为它走进影院，飞越1200公里的大天鹅对生命的坚持，在漫天风沙中追寻出路的沙丘鹤、在冰天雪地下与海鸦对抗到底的企鹅……尽管当中也有失败气馁，也有悬崖边的木头木脑，也有来自人类贪欲的窥视。前御林军首领罗风野心勃勃意欲成为国际鸦片大枭，设计绑架了聪明美丽的公主佩佩并将其带往荒凉的美国西部。中国朝廷只有两个选择：宣布开战，或支付巨额赎金。身怀绝技的御林军士兵江威千里追凶，在美国内陆，他先是与印地安人闹出绯闻，后是在路上与一个火车扒手罗伊结识并结伴西行，两人一起闹出了许多笑话还被西部局长追杀。玉兄、玉弟的争斗，是在老玉帝选择接班人的比武中开始的。玉兄本性顽劣，争强斗狠，不服任何人；玉弟却与玉兄性格迥异，虽聪慧过人，武功高强，却以慈善之心待人，一腔悲悯情怀。在比武中，玉弟不忍伤害玉兄，战成平手。关键时刻，玉帝笃守诚信；玉兄则不择手段，几乎成功继位。一直到加冕仪式将要开始，玉兄的凶残嘴脸才败露，仓皇逃往人间。而此时的玉弟，正默默承受着内心极度痛苦的煎熬：他要为自己的仁慈付出代价，那就是不仅失去皇位，还将失去自己心爱的水雾仙子。 玉帝（玉兄逃窜后，玉弟继位）是中国人心目中的理想人物。他宽厚善良，大慈大悲，疾恶如仇，不惜牺牲，拯救百姓于水火之中....Chapter 30
