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Upholstery Tassel Cushion

We're professional upholstery tassel cushion manufacturers and suppliers in China, specialized in providing high quality products made in China. We warmly welcome you to wholesale bulk upholstery ... Read more


Hangzhou Shangdao Electric Appliance Co., Ltd: We offers safe, low-noise, good-mobility dehumidifier, we have devoted ourselves to dehumidifier many years, we will provided excellent services and ... Read more


SANRAY RFID TECHNOLOGY LIMITED is a high-tech enterprise specializing in high quality UHF RFID products and active RFID products. We focus on UHF RFID modules, readers and tags, and 2.45GHz RFID ... Read more


Shaoxing Jiehui Electrical Appliances Co., Ltd: Welcome to wholesale high quality coffee grinder, manual coffee grinder, automatic coffee grinder, commercial coffee grinder, household coffee grinder ... Read more

LED Troffer

Dong Guan Walstar Optoelectronics Technology Co., Ltd:As one of the most professional LED panel lights, troffer, linear strip, street lights, sports lights manufacturers and suppliers in China, we're ... Read more

求函数y=frac{sqrt{1 …

【解答】解:线ly轴截距为10,且原点到直线的距离是8,设直线程为 x a + y 10 =1,即10xy-10a=,∴d= |10a| 1 0 2 + a 2 =8 ,得a=± 40 3,案为:3x4-4=0,3x-4y+40=0. ...

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