ASTM A234 yakajairwa simbi pombi fittings yakashandiswa zvakanyanya mumapombi masisitimu, inosanganisira kabhoni simbi uye alloy simbi zvinhu. Chii chinonzi Steel pipe fittings? Simbi pombi yekukodzera inogadzirwa nekabhoni simbi kana alloy simbi pombi, mahwendefa, profiles, kune imwe chimiro chinogona kuita basa (Ch...
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