L It has a certain length l.

它有一定的长度。

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L The rod has mass m and it has length l.

杆子质量为M，长度为。

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L the length of the pendulum is l, the length of the string.

摆锤的长度是，绳子的长度。

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L 'extreme WP can extend your lashes up plus 60% length as if by magic!

而超乎寻长防水睫毛膏更加魔法般延展睫毛，睫毛增长达60%。

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Pipe length means each l.

探头导管各部分长度。

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Pipe length means each l.

探头导管各部分长度。

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