刨的过程中要经常根据刚才画的参考线检查刨削的进度，并用组合直角尺检查是否方正。
Check your progress relative to your reference line frequently. And check for square frequently with a combination square.
介绍了工厂对大尺寸直角尺精度检测与修复常用的在平台上三直角尺两两互检的方法与原理。
This article introduces the common method and principle about the accuracy test and repair of big-size square rulers by checking each other with three square rulers on platform in factories.
分析计算证明，采用改进后的测量方法，则可以用直角尺或线锤测量出准确的钢管管端切斜尺寸。
Analytical calculation shows that thanks to the improved measurement method, the pipe end squreness can be precisely checked by either the steel square or the wire weight.
铸铁弯板分为铸铁弯板、直角弯板、 T 型槽弯板、普通弯板、拼接弯板、花岗石弯板、大理石弯板、花岗岩弯板、直角靠铁、直角靠板、直角尺弯板。
Cast iron angle plate can be divided into cast iron angle plate , right-angle bending plate, T-slot plate, the common angle plate , splicing plate, right angle by iron, right angle on board and so on.
介绍了工厂对大尺寸直角尺精度检测与修复常用的在平台上三直角尺两两互检的方法与原理。在确定直角尺误差时，该方法的缺点是需要逻辑推理，较难掌握，功效较低。
This article introduces the common method and principle about the accuracy test and repair of big-size square rulers by checking each other with three square rulers on platform in factories.
介绍了工厂对大尺寸直角尺精度检测与修复常用的在平台上三直角尺两两互检的方法与原理。在确定直角尺误差时，该方法的缺点是需要逻辑推理，较难掌握，功效较低。
This article introduces the common method and principle about the accuracy test and repair of big-size square rulers by checking each other with three square rulers on platform in factories.
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