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مم يصنع زجاج البايركس ( المقاوم للحرارة)؟

Keep going بايركس 30 نوفمبر 2013

زجاج بايركس Pyrex glass زجاج معامل تمدده ثلث معامل تمدد الزجاج العادي ، يتحمل التغيرات الكبيرة في درجات الحرارة ، ويصنع بتسخين مزيج م...

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