... 钢筋网 steel H pile 细钢头他笔 Steel Measuring Tape 钢身拉尺 steel pile ...
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Steel measuring tape primer 钢卷尺底漆
Steel measuring tape top-coat 钢卷尺面漆
steel tape measuring 钢尺量距
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flex steel tape , long steel tape
This article introduces the methods of measuring geography latitude with the single tools, such as steel tape measure, protractor.
介绍了利用钢卷尺和量角器等简单工具测量地理纬度的方法。
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