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Plunger mai ɗigon ɗigon ruwa don injin ɗakin sanyi mutu simintin
Siffar
1. M lubrication, farashin lubrication rabin na sauran hanyoyin lubrication.
2. Kadan mai mai, ƙarancin juyin halittar iskar gas, yadda ya kamata ya rage porosity na ciki na simintin gyaran kafa (musamman hydrogen stomata).
