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深度千分尺用于机械加工中的深度，台阶等尺寸的测量。
The depth micrometers are widely used to measure depth and step in machining...
youdao
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量具包括千分尺、卡尺、深度尺等。
The measures including micrometer, calipers, depth gauge etc.
youdao
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量具包括千分尺、卡尺、深度尺等。
The measures including micrometer, calipers, depth gauge etc.
youdao