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مقررات ملی ساختمان@Building_code P.20777
BUILDING_CODE Telegram 20777
آزمونک شماره(۶۴۱)

میزان توصیه شده C3A در سیمانی که برای ساخت بتن در محیط آب دریا با غلظت زیاد یون های کلرید و سولفات به کار میرود،چه مقدار است؟(عمران-نظارت )
Anonymous Quiz
بین 10٪ تا 13٪
بین 6٪تا 10٪
بین 3٪  تا 6٪
بین 13٪ تا 16٪
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