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1. ** የቦታዎች ብዛት (3V እና 4V): **
- ** 3V ብቸኛ ቫልቭ: ** ይህ ቫልቭ ሶስት ቦታዎች አሉት - በተለምዶ ክፍት ነው - በተለምዶ ክፍት, ዝግ, እና ጭካኔዎች} .
- ** 4v ብቸኛ ቫልቭ: ** ይህ ቫልቭስ አራት ቦታዎችን አለው, ይህም ብዙውን ጊዜ ሁለት ክፍት ቦታዎችን, የተዘጋ ቦታ እና የመጥፋት ቦታ} .
2. ** የእርስዎ የመንገድ ብዛት (3V እና 4V): **
- ** 3V ብቸኛ ቫልቭ: - ይህ ቫልቭ ሶስት ወደብ ይባላል.
- ** 4V ብቸኛ ቫልቭ: - ይህ ቫልቭ በተለምዶ አንድ {{2}, እና አንድ መውጫ / አንድ መውጫ / አንድ መውጫ / አንድ መውጫ / አንድ መውጫ / አንድ መውጫ / ፍሰቱ ይቆጣጠራል, ፈሳሹን እንዲጨምር ወይም ፍሰቱን ማገድ ይችላል, .
