4, 11/4", 38 mm, 31.8 mm, 3.1 mm, 4M, 1581 ... 6, 2", 60 mm, 51.8 mm, 4.1 mm, 4M, 3283 ... 管徑(英吋), 1/2, 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3, 4.
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