内径千分尺、千分尺、塞规、螺纹规、数显卡尺、高度尺等检验工具。
Inside diameter micrometer micrometer plug gauge thread gauge digital calipers height gauge and other testing tools.
通径规的直径就是管子生产商所能够确保的每一管子说明书上的内径。
The drift diameter is the inside diameter (ID) that the pipe manufacturer guarantees per specifications.
通径规的直径就是管子生产商所能够确保的每一管子说明书上的内径。
The drift diameter is the inside diameter (ID) that the pipe manufacturer guarantees per specifications.
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