查询词典 back end

Butt Weld and docking and corner combinations Weld, in Weld ends located arc plate and extraction plate in igniting board then leads to the welding seam, joint halfway shall weld joints in front of 2.0 mm Department Firing arc, welding pieces after preheating rod will return to weld the origin, pool filled to the required thickness, before forward welding; Welding speed : Isokinetic welding requirements to ensure weld thickness, width uniform, which masks to look for hot metal and slag bath equidistance (2-3 mm)%; Arc welding rod length : different models and determined that the general requirements of arc length is stable, acid electrode generally 3-4 mm, 2-3 mm normally alkaline electrode%; Welding perspective : According to determine the thickness of two pieces of welding, welding angle has two aspects : First, the angle between the direction of the rod and welding of 60-75 ; The second is the angle between two electrodes and welding around, the same thickness as welding, welding and welding pieces incident angle of 45 ; When the thickness ranging from welding, welding electrode and thick and thin pieces of welding electrode side angle greater than the angle between the side pieces; Arc : admission to the end of each weld should be filled crater, in the direction opposite to the direction of the back-arc welding, arc welding unchanged inside pit in 1974, to prevent the crater bite of meat.

对接焊缝及对接和角接组合焊缝，在焊缝两端设引弧板和引出板，必须在引弧板上引出后再焊到焊缝区，中途接头则应在焊缝接头前方15～20㎜处打火引弧，将焊件预热后再将焊条退回到焊缝起始处，把熔池填满到要求的厚度后，方可向前施焊；焊接速度：要求等速焊接，保证焊缝厚度、宽度均匀一致，从面罩内看熔池中铁水与熔渣保持等距离（2～3㎜）为宜；焊接电弧长度：根据焊条型号不同而确定，一般要求电弧长度稳定不变，酸性焊条一般为3～4㎜，碱性焊条一般为2～3㎜为宜；焊接角度：根据两焊件的厚度确定，焊接角度有两个方面，一是焊条与焊接前进方向的夹角为60～75 ；二是焊条与焊接左右夹角有两种情况，当焊件厚度相等时，焊件与焊件夹角为45 ；当焊件厚度不等时，焊条与较厚焊件一侧夹角应大于焊条与薄焊件一侧夹角；收弧：每条焊缝焊到末尾，应将弧坑填满后，往焊接方向相反的方向带弧，使弧坑甩在焊道貌岸然里边，以防弧坑咬肉。

However, the Magpies supremo will not allow the 27-year-old to represent his country until he is fully fit after seeing his club battle to get Owen back on the field following his metatarsal fracture in time for last summer's World Cup finals, only to end up on the operating table once again.

但是， 喜鹊主席鹊不会允许27岁代表他的国家参赛，直到他充分恢复并适应在俱乐部的战役。欧文在去年夏天的世界杯上半月板撕裂后，只有再次回到手术台。

The accuracy of spindle assembly will be effected by the element errrors such as coaxiality of holes in box, coaxiality of front and back bearing neck of spindle,radial runout and end face runout of inner and outer rings of bearing and runout of the step of spindle.

箱体孔的同轴度、主轴前后支承轴颈的同轴度、轴承内外圈的径向跳动和端面跳动以及主轴轴肩跳动等元件误差，都会影响主轴组件的精度。

Be sure to connect copies of the back E end of binding post of instrument with earth directly .

请务必将本仪器的背面接线柱的 E 端直接与大地连接。

To that end, there are actually some pilates studios that are open today that are designed exclusively for helping women who have just had children to get their former body back.

为达到这一目的，有一些其实是普拉提工作室是开放的今天，这种设计是专为帮助妇女谁刚刚儿童得到他们的前体回。

To that end, there are actually some pilates studios that are open today that are designed exclusively for helping women who have just had children to get their former body back.

为达到这一目的，因此，事实上有些普拉提工作室说，是开放的今天，这种设计是专门为帮助妇女刚结束了儿童得到他们原遗体运返。

At the end of the book, the boy went back home.

在故事的结尾，那个孩子回了家。

I took the pot on the gas burner,and I walk away to forget it,when i came back,the water was boil,the hole in the end of pot

我把壶放在煤气灶上，然后就走开把这件事忘掉了。等我回来时，水都烧干了，壶底烧出了一个窟窿。

Dayan could top the southeast along the mountain ridges to the peak丫, the bald sheep, cattle Lake Pass, back down to Cardiff Pass cultivation shelf, Zaiwang Northeast can go to Shenzhen for the eastern end - the Chai Kok.

大雁顶可东南向沿山脊经尖峰丫、羊公秃、牛湖坳、背夫坳下行至耕棚，再往东北可到深圳最东端——海柴角。

The first two chapters look back the urbanization and status of American municipality before the end of 19th century; and discuss the city boss in the latter part of 19th century; following two chapters discusses American municipal reform in the progressive movement; chapter five analyzes the theoretical contribution of Richard Childs-father of city-manager plan; the last two chapters highlight the establishment and growth of city-manager plan.

第一章回顾了美国19世纪末以前城市化的进程；第二章论述了市政体制早期的发展和19世纪后半期城市老板僭权；第三、四章论述了进步运动时期的市政体制改革；第五章阐释了城市经理制之父——理查德·蔡尔斯对城市经理制的理论贡献；第六、七章对城市经理制的诞生及其基本发展脉络进行了分析和综述。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。