ตัวกรองผลการค้นหา
Kelly Ball
แปลว่า(Concrete Engineering) A device for determining the consistency of fresh concrete. It is sometimes used as an alternative to the slump test.
Vicat Apparatus
แปลว่า(Concrete Engineering) A penetration device used to determine the setting characteristics of hydraulic cements.
Burr Mashers
แปลว่า(english) Devices used to remove build up on edge of strip after the slitting process.
lifting device
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