Chinese Standard: GB/T 4457.5-2013

Mechanical drawings—Basic conventions for representing areas on cuts and sections

全国技术产品文件标准化技术委员会(SAC/TC 146)

GB/T 4457的本部分规定了机械图样中各种剖面符号及其画法。
 本部分适用于机械图样的剖视图和断面图中剖面区域表示。

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