المواصفات القياسية لكسارات الصخور
المواصفات القياسية لكسارات الصخور. لكسارات الصخور phonolite specifiions لكسارات الصخور phonolite specifiions PHONOLITESPhonoliteEnglish Phonolite is a volcanic rock. It was originally "Klingstein" in German on account of the sound emitted when it was struck by a price