檢驗平板
檢驗平(ping)板(ban)(ban)(ban)是為生產車間或計量部(bu)門做jingmi測(ce)量用的(de)基(ji)準平(ping)面;同劃線(xian)(xian)平(ping)板(ban)(ban)(ban)相(xiang)比,劃線(xian)(xian)平(ping)板(ban)(ban)(ban)是為生產中(zhong)做劃線(xian)(xian)用的(de)基(ji)準平(ping)面。 雖(sui)然這兩種平(ping)板(ban)(ban)(ban)都是基(ji)準平(ping)面,但是它們...
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