后制动器的英文：
rear platen
rear是什么意思：
n. 后方；后部，背面；臀部
adj. 后面的；后部的
v. 饲养；培养；暴跳；树立；高耸；抬起
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The rear sight of a firearm.
枪的表尺，后瞄准器 。
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The hen rears her brood.
母鸡孵育一窝鸡雏。
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The horse kicked him in the rear.
马蹄踢在他的屁股上。
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He reared his head.
他抬起头。
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He was reared in the lap of luxury.
他在奢侈的环境中长大。
platen是什么意思：
n. 压盘,滚筒
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The replicas are made by using a thin film of fusible alloy on a stiffening platen
复制是用附着在加强托板上的可熔合金薄膜实现的。
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Platen: small letterpress printing machine on which the paper is held in the platen and pressed up against the vertically-held type-bed.
平压机:小型活版印刷机。纸张摆稳于压板上，然后压向垂直的装版台的机器。
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A heavy glazed paper or pasteboard used especially to cover the platen or cylinder of a printing press.
压制板重而光滑的纸板或硬纸板，主要用于覆盖印刷机的压纸卷筒或滚筒
