The values of the bracket means the sizes of straight fittings defined in the codes of SH 3410, and the relevant sizes of the reducing fittings refer to the standards of production.
括号内的数值为SH 3410标准中规定的同径管件尺寸，相应的异径管件尺寸见产品标准。
The values of the bracket means the sizes of straight fittings defined in the codes of SH 3410, and the relevant sizes of the reducing fittings refer to the standards of production.
括号内的数值为SH 3410标准中规定的同径管件尺寸，相应的异径管件尺寸见产品标准。
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