罗马人发明的一种漏壶则是让水从蓄水器滴入一圆筒，筒内有一浮子，在筒壁的刻度尺上指示读数。
The Romans invented a clepsydra consisting of a cylinder into which water dripped from a reservoir; a float provided readings against a scale on the cylinder wall.
用刻度尺一量，宝宝真是又长高了10厘米。
根据订货要求可提供带自动断电或带刻度尺的产品。
Electronic digital caliper with automatic switching off or scale can be supplied if required.
结构Structure：由底座、支承块、导轨、滑块、手柄、可调定位块、刻度尺等组成。
From the base, bearing blocks, rails, sliders, handles, adjustable positioning block, scales and other components.
结构Structure：由底座、支承块、导轨、滑块、手柄、可调定位块、刻度尺等组成。
From the base, bearing blocks, rails, sliders, handles, adjustable positioning block, scales and other components.
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