ตัวกรองผลการค้นหา
old red sandstone
แปลว่าดานดินแดงซึ่งมักจะอยู่ใต้ดานถ่านอีกชั้นหนึ่ง
low red heat
แปลว่าอุณหภูมิระหว่าง 550 - 700 องศาเซนติเกรด
Buff
แปลว่า(english) To polish A smooth finish of high luster with a cloth or fabric wheel to which a compund has been added
Screen (or Sieve)
แปลว่า(Concrete Engineering) A metallic sheet or plate, woven wire cloth, or similar device, with regularly spaced openings of uniform size, mounted in a suitable frame or holder for use in separating material according to size.
Abrasive 1
แปลว่า(english) Material for grinding, polishing, blasting, either in loose form or bonded to form wheels, bricks, or files, or applied to paper and cloth by glue or resin. Natural abrasives include emery, corundum, garnet, sand, flint, etc. Metallic shot and grit are also used as abrasives in cleaning castings