A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, the O-ring 10 is further arranged on 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, and the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41. The arcuate end face 12 forms a line seal between the sealing surface of the valve body 1 and the valve seat 7. The water grain 41 can ensure the sealing performance of the valve seat 7 and the valve disc 4.
4个小故事的短剧，分别讲述了变性、双性、男同、女同的故事。第一集“T”跨性别者。跨性别（Transgender）通常是指一个人在心理上无法认同自己与生俱来的生理性别，相信自己应该属于另一种性别。本集讲述的是i身为变性人的一些经历和过往的回忆。
该剧讲述了四位年轻人用不同的专业角色和处案手法,维护无辜者的法律权利,在情与法中伸张正义的故事。
没想到项羽在诸侯之中的分量和威名如此之中，恐项已经是个不争的事实了。
After graduating from college, this person changed jobs seven times in three years, because he was too haggle over every ounce, and every unit did not like him. Li Shanglong said: "He is poor, not only in his family conditions, but also in his vision and pattern."
这个时候，凤仙的学生突然遭到自称鬼邪高的人的袭击，同时鬼邪高的学生也遭到了自称凤仙的人的袭击。以同伴被袭击这一原因为契机，两校互相敌对，杀气腾腾。
Another expression of the minimum knowledge principle is to communicate only with direct friends. As long as there is a coupling relationship between classes, it is called a friend relationship. Coupling is divided into dependency, association, aggregation, combination, etc. We call classes that appear as member variables, method parameters, and method return values direct friends. Local variables and temporary variables are not direct friends. We require unfamiliar classes not to appear in the class as local variables.
记忆中的庙宇，做豆腐的瓦舍，庙后的菜地，更有曲径通幽，延往松林深处，走到尽头，一潭清冽的泉水泛着粼粼幽光。
只要这部电视剧一出来，一切都会改变，一切都会逆转。
陈文羽一口气说道。
When Gu Xixi entered the league again, there were already tens of thousands of spectators-which was inseparable from the total population of the stars-but Gu Xixi had neglected so much.
故事讲述了富家千金孙唯伊（吴哲晗 饰）一朝家庭败落，开启打工奋斗的自强之路时，被如今摇身一变成为HB电商总裁的白泽柳（周兆渊 饰）再度追爱，最后有情人终成眷属的故事。
1932年，日本侵略者攻击上海闸北，十九路军伤亡惨重。杜凌云、张大器等军官为了继续抵抗侵略，他们组织成立“手枪队”，誓与日寇战斗到底。手枪队在上海刺杀日军特务，惩处汉奸走狗，给侵略者予以沉重打击，也引起敌人的疯狂报复。共产党员王振宇是杜凌云和张大器的好友，应邀加入到手枪队中，成为手枪队的领导人之一。在王振宇的引导下，杜凌云、张大器和手枪队队员们逐渐认识到共产党是抵抗侵略的最坚强力量，虽然中间经过许多误解和冲突，但他们最终坚定地接受了共产党的领导，成为共产党组织在上海的一支重要行动力量，为抵抗侵略做出了重要贡献
个性迥异的姊妹，相依为命、各自人生。
也难怪，谁让这个侄儿长得俊俏呢。
瑞贝卡的理想是为一家时尚杂志工作，这样就可以工作爱好两不误了，但那家杂志并没有好心地收留她，反而是一家财经杂志阴差阳错地请她主持读者来信专栏，说起来这也不错，因为这家杂志和那个时尚杂志同属一个出版公司，她总算离自己的梦想近了一步。当她终于如愿以偿跨入那个时尚杂志后，她也收获了爱情。然而，她的购物狂也可能毁了这一切。
Volleyball
I have the confidence to mention divorce. It's a big deal to live alone.
三个美国年轻友人，相邀到欧亚边境国乔治亚旅行，不料在行经偏僻的野地，其中一人误踩到当地国境战时期遗留下来的地雷，正忧心身处险地的当下，竟爆出两男一女友人间不可告人出轨关系，而正当三人争论是否彼此原谅，彼此背弃和寻求当地救援之时，一个外出打猎乔治亚住民出现，让原本站在地雷上急如热锅蚂蚁的青年，从此面临情爱与生死交关的抉择，倒底他的抉择能否获得老天的眷顾，脚踩地雷的他是否还有扭转局势的奇蹟？
