The cylindrical length of middle tube becomes increased with formed length, but the edge profile of the tube almost keep the same cone or bell shape.

管坯成形长度对制件形状的影响表现为成形长度增加，制件中部圆筒状长度也增加，而端口部均呈尺寸大致相同的锥形或喇叭形。

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Who'd have guessed women are more likely to squeeze the toothpaste tube from the middle — or worse, from the top!

有谁能想到女人比男人更可能从牙膏管中段——甚至更糟，从牙膏管顶端挤牙膏！

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The buoy, which resembles a giant yellow flying saucer with a black tube sticking through the middle, was anchored in 140 feet of water.

这个浮标像一个巨大的黄色飞碟，中心挺着一根黑管子，锚定在140英尺深的海水中。

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There's a metal tube in the middle with dozens of needles that act like robotic claws, grabbing pieces of thread and knitting them.

NPR: Alabama Town Questions an Economy of Socks

Mill is being squeezed from the top and bottom, and the lanky Robbins is perfect for the part: watching him under stress is like seeing a tube of toothpaste bunch up in the middle.

NEWYORKER: The Player

But never mind: another round of apologies, and Middle America's churchgoing fans will settle back in front of the tube, ready to be shocked by the next scuffle.

ECONOMIST: Brawling basketballers