ตัวกรองผลการค้นหา
หรือคุณกำลังค้นหา Ottawa Sand, situate, put
be situated on the border-line
แปลว่าคาบเส้น
Ottawa Sand
แปลว่า(Concrete Engineering) A sand used as a standard in testing hydraulic cements by means of mortar test specimens. Sand is produced by processing silica rock particles obtained by hydraulic mining of the orthoquartzite situated in open-pit deposits near Ottawa, Illinois; naturally rounded grains of nearly pure quartz.
situate
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