The welted joint, executed in this way, is a rapid means of jointing and effectively allows for expansion and contraction of the metal covering.
这种新方法需要一种专门的高效率的机械装置。对接坡口焊是一种连接迅速的施焊工艺，它可以有效地保证金属盖板的胀缩。
The two nations agreed to 20 trade deals covering new energy, agriculture, cotton and non-ferrous metal imports.
两国签署了20个商贸协议，涉及新能源、农业、棉纱进口和有色金属进口多个领域。
The discs are made of flexible Nitinol metal and covered in polyester fabric that encourages heart tissue to grow over the discs completely covering them during healing.
这些圆片被能变形的镍钛记忆合金制成，其上覆盖聚酯纤维，这能促进心脏组织在愈合期间沿圆片生长并完全覆盖它们。
We shall accelerate regulated trading and centralized processing of non-ferrous scrap metals and gradually form a recycling non-ferrous metal recovery system covering the whole society in China.
加快废旧有色金属规范化交易和集中处理，逐步在全国形成覆盖全社会的再生有色金属回收利用体系。
The cover's fabric, the metal, wood and non-reflecting glass create a volume that captures the subtle colours of natural light with the covering fabric taking on the hues of the sky and land.
盖的面料，金属，木材和非反射玻璃创造出了一幅画卷，它们抓住了自然光的微妙色彩，将覆盖面料呈现出了天空与大地的色调。
The covering is a vast prismatic surface composed of different types of perforated metal in varying densities, whose appearance is constantly changing.
覆盖物是不同密度的穿孔金属组成的一个巨大的方形表面，其外观不断变化。
The white matte metal skin covering the whole building makes the certain relationship of difference but keeping communication between the building and environment become more expressive.
通体覆盖的白色哑光金属饰面材料很好地使建筑与环境之间这种既相区别、又保持对话的关系更加具有表现性。
In the stamping and forming processes of automotive covering parts, only the maximum deformability, which is reachable in stable deformation stage of sheet metal, can be made use.
在汽车覆盖件的冲压成型中，可以利用的是板材在稳定变形阶段所能达到的最大变形程度。
Small amounts of boron were transferred from the electrode to weld metal by adding boron oxide or ferroboron powder to the electrode covering.
通过在焊条药皮中加入氧化硼或硼铁向焊缝渗入微量硼。
To avoid these dangerous things happening, liquid lithium-ion batteries all adopt rigid metal shell such as steel and aluminum as out covering.
为此，液态锂离子电池都是采用刚性的金属外壳如钢壳、铝壳等作外包装。
When the higher power arc is of the submerged arc type, the flux powder covering the weld metal pool must also be supported against the effects of gravity.
当高功率的弧是埋弧类型，通量粉末覆盖焊缝金属池还必须支持对重力的影响。
The metal layer is polished to remove the metal layer covering the non-recessed area.
金属层被抛光以 便于移除覆盖非凹进区域的金属层。
The methods of modification included the surface covering of graphite with a layer of disorganized carbon or a film of appropriate metal, surface oxidation, mechanical grinding and doping.
修饰与改性方法包括形成包敷层和金属层、表面氧化、机械研磨以及掺杂等方法。
Staging: Process of covering bare metal, to protect lines or dots from being etched, in making of photoengraving and gravure cylinder.
防蚀处理：制电版或照相凹版时，作保护金属表面，防止网点或线条被腐蚀的工作。
The improvement works included the construction of a covering shelter, a vehicle inspection pit, metal fencing, staff toilets associated with the shelter and relevant installations.
有关改善工作包括了安检站的盖顶、车底检查系统、金属外围、职员厕所的盖顶及有关设备。
Dacromet coating solutions prepared with mixed metal powders are easy to be dispersed with short-time agitation and have good anti-settlement and covering force.
混合处理后的粉末配制的达克罗涂液易分散，搅拌时间短、抗降沉性好、遮盖力强。
White metal louvres covering the facade of this apartment block in Paris can be drawn across windows and balconies to screen against the sun and street.
白色金属百叶窗覆盖的巴黎公寓立面，附有窗户和阳台，可以作为遮挡阳光和街道的屏障。
In the same way, covering attendance machine and card reader with a metal or magnetic material will result in failure to work for the attendance machine.
同样道理，用金属或磁性物体遮挡考勤机和打卡头也会导致考勤机不能打卡工作。
The larger the accumulated water depth or area covering the tailings in the reservoir, the easier the heavy metal ions will be released;
尾矿库内覆盖尾矿的积水深度或面积越大，越容易使重金属离子溶出；
The larger the accumulated water depth or area covering the tailings in the reservoir, the easier the heavy metal ions will be released;
尾矿库内覆盖尾矿的积水深度或面积越大，越容易使重金属离子溶出；
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