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  1. 1
    English · JMdict
    engineering back pressure
  2. 2
    English · Wikipedia

    Back pressure refers to pressure opposed to the desired flow of gasses in confined places such as a pipe. It is often caused by obstructions or tight bends in a confined space such as an exhaust pipe. Because of air resistance, friction between molecules, the term back pressure is misleading as the pressure remains and causes flow in the same direction, but the flow is reduced due to resistance. For example, a stock car exhaust system with a particularly high number of twists, bends, turns and right angles could cause lots of back pressure to the gasses escaping the car's engine therefore reducing the flow of the gasses.

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Códice gramatical

Qué significan las etiquetas de color

Hiragana

ひらがな

El kana redondeado y fluido. El hiragana escribe palabras japonesas nativas, terminaciones gramaticales y todo lo que va sin kanji (o junto a él): es el primer silabario que se aprende. Cada carácter representa una sílaba.

Ejemplo

ねこ — gato