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该卡钳(图示)由三个部分组成。A 件带有弹簧并起杠杆作用。使用时,用手分尺校验两卡爪,至使 A 件的另一端灵敏地触动千分表,然后,从
The caliper (pictured) consists of three sections. A piece with spring and lever. When in use, check the two jaws with a finger to the other end of the A-sensitive touch dial indicator, and then from