2020-08-10 
产品库 - 无纺布口罩表面缺陷检测-外观瑕疵 - 其他 - 外观瑕疵 - 117.95.153.* - 访问网站
无纺布口罩的阻尘效率的高低是以其对微细粉尘，尤其对 5微 米以下的呼吸性粉尘的阻隔效率为标准。（外观检测）因为这一粒径的粉尘能直接入肺泡，对人体健康造成的影响至大。一般的纱布口罩，其阻尘原理是机械式过滤，就是当粉尘冲撞到纱布时，经过—层层的阻隔,将一些大颗粒粉尘阻隔在沙布中。但是，对一些微细粉尘，尤其是小于 5微米的粉尘，就会从纱布的网眼中穿过去，进入呼吸系统。现国外有一些防尘口罩，其滤料由充上永 ...(2/1)
2020-08-10 
服务项目 - 开口销安装规范及装配_欧曼汽车配件 - 通用零部件 - 欧曼汽车配件 - 117.95.153.* - 访问网站
开口销是一种机械零件，为避免损坏孔壁，可在销孔中加脂润滑油，制作该零件需要使用优质钢，(上海元修欧曼重卡中心库)弹性好的刚性材料.开口销是一种金属五金件，俗名也叫弹簧销！它是一种机械零件，为避免损坏孔壁，可在销孔中加润滑油。通常使用优质钢，弹性好材料制作而成。主要作用：用于螺纹连接防松。螺母拧紧后，把开口销插入螺母槽与螺栓尾部孔内，并将开口销尾部扳开，防止螺母与螺栓的相对转动。用于螺纹连接防松。螺 ...(50/1)
2020-08-10 
文章 - Where To Buy Soy Wax - 石蜡 - dkwax - 116.48.31.* - 访问网站
Soy wax is kind of natural vegetable wax. It’s raw material is natural soybean oil, and for the healthy and natural source, the very good soy wax should be pure and do not blend with other wax. The pu ...(18/1)
2020-08-10 
文章 - Solutions For Damage To Taps And Drills - 标准件 - starwdh - 116.48.31.* - 访问网站
1. Add lubricating oil to the tap rupture, use a sharp tassel or cut something that can bear the force, and gradually knock it out on the reverse side of the break. Don’t forget to pour the iron from ...(9/1)
2020-08-10 
文章 - Diesel Injector Construction And Operation - 汽车配件 - sinotrukhowo - 116.48.31.* - 访问网站
Made of high-quality bearing steel, its mutual sliding cylindrical surface gap is only 0.001mm-0.0025mm. It can be obtained through high-precision machining or grinding. Different fuel injectors are n ...(25/1)
2020-08-10 
文章 - What Is Superplasticizer Concrete? - 催化剂及化学助剂 - Alice Dai - 116.48.31.*
Concrete admixture is a chemical substance that is added during the mixing of concrete, cement paddle or mortar, before mixing or in additional mixing to improve the performance of concrete. In specia ...(3/1)
2020-08-10 文章 - Transparent Plastic Face Mask - Jinan Guangmei Paper Products Co., Ltd - 轻工设备 - Cindy Feng - 116.48.31.*
Hypertrophic scars caused by facial burns can have a detrimental effect on patient’s mental well-being. The cornerstone in treating hypertrophic scars in the face consists of exerting mechanical press ...(12/1)
2020-08-10 文章 - What Is Anti Fog Pvc Cling Film? - QingDao LongYouRu Packing Co., Ltd - 包装袋 - Cindy Feng - 116.48.31.*
Anti-fog agents, also known as anti-fogging agents and treatments, are chemicals that prevent the condensation of water in the form of small droplets on a surface which resemble fog.
Anti-fog treat ...(33/1)
2020-08-10 文章 - Aluminum Doors And Windows Making Machines - Shandong Care Machinery Technology Co., Ltd - 数控设备 - Cindy Feng - 116.48.31.*
Today let's talk about aluminium doors and windows.
Aluminum alloy doors and windows refer to the doors and windows made of aluminium alloy extruded profiles as frames, panels and fans. They are ca ...(10/1)
2020-08-10 
服务项目 - 办公室装修不应犯错误_上海办公室装修 - 维修 - 上海办公室装修 - 117.95.153.* - 访问网站
办公室装修墙纸和乳胶漆的颜色要选用较明快的色调，不能选用催眠的色调，(上海厂房装修)让每个员工能保持高度的工作热情。高档办公室装修设计知识墙面：一般采用墙纸或乳胶漆；墙面采用墙纸会显得比乳胶漆要高档一些。在办公空间中，窗帘一般会选用垂直百叶帘，卷帘只有在会议室和总经理办公空间中才出现；垂直布帘原则上不宜用在办公空间中。
大多现代高档办公室的设计在天花用材都比较简单，常用石膏板和矿 ...(5/1)创建资讯
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