ตัวกรองผลการค้นหา
make an impression on
แปลว่าให้ความเห็นเกี่ยวกับ
Brinell Hardness Number
แปลว่า(english) The value of hardness of a metal on an arbitrary scale representing kg/mm2, determined by measuring the diameter of the impression made by a ball of given diameter applied under a known load. Values are expressed in Brinell Hardness Numbers, BHN
Blocker
แปลว่า(english) Preform die or impression, used when part cannot be made in a single operation.
