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.
1. First turn on the iPhone and click "Settings";
Adapter pattern of objects: When you want to convert an object into an object that meets another new interface, you can create a Wrapper class, hold an instance of the original class, and in the method of the Wrapper class, just call the method of the instance.
1453年， 拜占庭首都君士坦丁堡被土耳其侵略者包围。由于帝国的国库逐渐空虚此时的君士坦丁堡只是曾经荣耀的影子，相对而言土耳其帝国却逐渐强大起来。在忍受了拜占庭帝国这么多年后，野心勃勃的苏丹穆罕穆德二世（德夫瑞姆·埃文 Devrim Evin 饰）发起了终结拜占庭帝国的战役。率领骑兵和战舰攻陷拜占庭首都君士坦丁堡，从而结束了东罗马帝国一千多年的统治，以土耳其人的名义征服君士坦丁堡，将奥斯曼帝国建立成一个地跨欧亚的国家，东西方文明在此交汇。
如何如何 -- 孙昊俣
腾远学院新来的转学生颜晓希，养父曾是乒乓球高手，在养父的言传身教下，颜晓希打得一手好乒乓。颜晓希是个自立自强的女生，不仅打多份工贴补家用，还运用自身娴熟的球技参加球赛，挣取奖金交学费。腾远学院乒乓球社团社长齐景浩，是一个帅气的乒乓球高手，一次偶然他见识到颜晓希出众的球技，因此力邀颜晓希加入乒乓球社团，共同携手赢得全国学院杯冠军，颜晓希的加入让社团注入新的活力，乒乓社团日渐壮大，吸纳更多年轻的优秀球手。在一次次高手对决中，国球的竞技魅力深深感染了所有人。
It is said that Pepsi is also keen on the marketing strategy of multi-star endorsements, and Oppo and Pepsi have also cooperated across borders many times.
顾爸爸的家宴上，二女儿顾晓珺带回了男朋友欧阳剑。顾爸爸不接受欧阳剑这位女婿，加上大女儿顾晓岩闹婚变，家宴闹了个鸡飞狗跳，以顾爸爸掀翻桌子告终。顾晓珺其实不图欧阳剑什么，单纯看中了这位“大丈夫”能够踏踏实实过日子。历经波折，顾家姐妹花的终于收获了美满的婚姻。
李昇基饰演正直的年轻刑警，面对不公正的事就据理力争，将与让全国陷入恐怖的先天精神病患的罪犯对峙，完全改变自己人生的角色。
一场冰淇淋少女大胆追爱飞行器设计师小哥哥的梦幻轻喜甜宠剧即将上演。
Pete, a handsome businessman was ordered by his grandmother to go look for her missing heir. Due to an inevitable circumstance, Pete was forced to hire a kid to pretend to be his grandmother’s lost grandson. Chaos over this scheme then began…
几人听得紧张万分。
曾经有一杆没有枪头的枪，犹如怒龙咆哮，带着无尽惨烈、无尽怒意、无尽霸道，唿啸而出。
隋唐时期康城御史大夫的女儿步萌，进宫后为了躲避宫廷是非，也不愿意自己的姻缘命运被他人安排左右，一辈子依附皇权过日子，一直都以装病躲避侍寝。在后宫中相继认识了聪明伶俐的言轻言妃、爱哭爱吃爱皇上的曲碗碗曲嫔，以及武功高强出自将门的骁贵人。几个人性情相投，成为至交好友。皇上因步御史多次批评谏言，决定找步御史的女儿步萌出气，随着与步萌越来越多的接触反被她与众不同的个性所吸引，开始有意无意的制造接触机会。但是步萌避之唯恐不及，直到一次偶尔的微服出宫两人成为了朋友，步萌也逐渐发现了皇上身上的很多优点，也深深的爱上了皇上，决定为了爱情放弃自己的执念。
一幢公寓内，生活着这样一群人。每当夜幕降临，大多数人卸下一天的疲惫，开始享受老婆孩子热炕头的时候，TA们的工作才刚刚开始。TA们是一群站在流行最前沿的人，面对镜头，TA们总是那么光鲜靓丽，青春帅气！但镜头之外……TA们跟我们一样，也有自己的生活，也有自己的理想，也有对未来的憧憬和向往。在这样一个充满青春气息的大家庭里，一群个性鲜明的年轻人每天都在发生着各种各样的高兴的、忧伤的、离奇的、搞笑的故事。有句话说的好：生活百般滋味，我们需要笑对！不管生活中的TA们有着怎样的故事，遇到怎样的挫折，但面对镜头时，我们看到的永远是一群欢乐无忧的、活泼可爱的主播，TA们把欢声和笑语带给大家，却把辛酸和泪水留给自己......
In terms of curriculum system construction, most companies take "mathematical thinking" as their entry point. Among them, Growth Insurance benefited from its early establishment. In addition to mathematical logic thinking courses, it also launched a series of courses on language logic thinking, concentration and memory. At present, all courses have been launched. However, the curriculum contents of institutions such as spark thinking, one-off mathematical thinking and talent communication have only completed phased research and development and have been put on line, and some contents still need to be developed.
1. Each ship shall use all effective means appropriate to the circumstances and circumstances at that time to determine whether there is a risk of collision, and if there is any suspicion, such risk shall be deemed to exist.
林子阳从来没想过自己成为一名军人，曾经狂傲不羁的他经过部队大熔炉的洗礼明白了做为一名军人的崇高和光荣。为了军队医院的发展要成立一个创伤外科中心，林子阳急忙赶到医院，他打算退伍，说军纪对自己没什么约束力了。医院里接到一个受伤女孩儿的病情，由于医疗条件有限要转院治疗，林子阳说那手术他能做，院长决定给林子阳一个机会让他做，手术很成功，林子阳出色地完成了这个险情。林子阳对院长说他就是个骗子，他为这个医院快要消息而担忧。
