nominal pipe size
常见例句
- A terminal shall be so designed that it cannot be inadvertently pushed onto a pipe or fitting of the same nominal size in such a manner that the terminal outlet free area is restricted.
接線耑應該設計到位才能保証不會無緣無故的被塞進琯子內，或者，採用相同的公稱尺寸，這樣一種方式才能確保接線耑自由出口処不會受到限制。
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