This technology is in a special chemical treatment of the film, as printed on certain motifs, ping sent to providing water's surface, using hydraulic pressure, the pictorial surface even write to providing products and drape film is automatically dissolved, after cleaning and dry, and then on a layer of transparent protective coating, at which point the product is a completely different visual effects.
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A hydraulic packer typically is set using hydraulic pressure applied through the tubing string rather than mechanical force applied by manipulating the tubing string.
一般地，经油管柱施加液压压力而不是由操纵油管柱施加机械力使封隔器坐封。
Hydraulic jack (other name: the hydraulic jack) the use liquid intensity of pressure transmission machinery which makes using the Pascal's law, the type hydraulic jack are many.
液压千斤顶(又名：油压千斤顶)利用帕斯卡定律制成的利用液体压强传动的机械，种类液压千斤顶很多。
In the 18th century, London presented the hydraulic pressure printer, likes the Feir iron tower adjusting using the hydraulic pressure hoisting jack.
在18世纪，伦敦就出现了液压印刷机，爱菲尔铁塔利用水压千斤顶来调节。
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