Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.
呼吸保护装置。与全罩式面罩、半罩式面罩或口罩一起使用的压缩空气导管呼吸装置。要求、试验和标志。
Under no circumstances should the body be rewet after 3 minutes of air drying: water beading will occur which will result in severe marking of the electrocoat during bake.
在空气干燥3分钟后决不能使车身再被溅湿，不然将产生水滴，会导致电泳涂层在烘干过程中产生严重的斑迹。
For international air transport, in addition to the languages required by the State of Origin, English shall be additionally used for the marking.
国际航空运输时，除始发国要求的文字外，标记应当加用英文。
Pneumatic marking printer utilizes the air compressor and a pneumatic valve marking on the work piece through controlling the marking head vibration up and down.
气动标记机是利用空气压缩机和一个气阀控制打印头上下振动，在工件上打下标记。
That service made it "the first United States international air service in scheduled operation, " according to the historic sign marking the spot.
这项服务使它成为“美国第一家有固定航程的国际航空服务公司”。
The fanned air is then discharged from the front side of the base, blowing off saw dust on a cutting object so as to prevent dust from accumulating on a marking line on the cutting object.
扇动空气从底板的前端向前吹出，吹掉切割对象上的锯屑，从而防止锯屑聚集在切割对象上的标记线上。
The whole building split into four distinct volumes facilitates cross air circulation that provides passive cooling while marking very clearly the use purpose of each one.
整体建筑分成四个不同的体块，这有助于使用被动制冷的空气流通，同时也能清晰地利用其各个功能。
Beijing g's air pollution reached dangerous levels yet again on Sunday, marking the third consecutive day of severe smog, municipal environmental authorities said.
北京市环保部门称，北京空气污染在上周日再次达到危险的水平。持续三天的严重雾霾天气给北京带来了严重的空气污染。
This paper introduces the structures, working principles, main features and development trends of various pneumatic high-pressure no-air cold-spray-lacquer road line-marking vehicles.
介绍了上述各种高压无气冷喷漆划线车的结构组成、工作原理、主要特点、应用及发展趋向。
This paper introduces the structures, working principles, main features and development trends of various pneumatic high-pressure no-air cold-spray-lacquer road line-marking vehicles.
介绍了上述各种高压无气冷喷漆划线车的结构组成、工作原理、主要特点、应用及发展趋向。
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