DUAL-SIDED ENTRY: The symmetrical double-sided pedal self-locates just by stepping down into the cleat whether the pedal is right side up, upside down or anywhere else in its rotation.

双面锁：在对称的双面踏板上，刚刚踏进楔子踏板下，看看是否位于右侧，这时，倒置或任何其他的旋转。

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The difficulty in designing the necking die for water_adding entry lid shell of radiator was the stripping of the part after the forming and in_bending of symmetrical protruding ear.

散热器加水口盖壳缩径模设计难点是对称凸耳成形及内弯后脱取工件困难。

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But to tell the truth, those limits are not apparent to us, either because the power to require the entry into commerce is symmetrical with the power to prohibit or condition commercial behavior, or because we have not yet perceived a qualitative limitation.

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