Hangata li-valve li hokahanngoa le liphaephe ka litsela tse fapaneng tse kang likhoele, li-flanges, welding, clamp le ferrules.Kahoo, khethong ea tšebeliso, u ka khetha joang?Mekhoa ea ho hokahanya ha li-valve le liphaephe ke efe?1. Khokahano ea likhoele: Khokahano ea likhoele ke foromo e ho ...
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