ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
I bought this stock at 50 dollars a share, and it is down to 40. I am going to cut my losses.
(english) The residual portion of an extrusion billet that is not forced through the die at the end of the extrusion cycle.
(english) A “tool” or reinforcing part, which presses against the outer surface of an extrusion die, supporting it against the pressure of the extruding metal. The backer has an opening larger than the die aperture, allowing the extruded product to emerge without marring its soft surface.
(english) The process of drawing hot rolled steel through a die to impart close dimensional tolerances, a bright scale free surface and improved mechanical properties. The product is termed bright steel.
He has to come up for air or he will die from exhaustion.
อันชีวิตคนเราช่างสั้นนัก ต้องรู้จักทำประโยชน์ก่อนจะสาย ทิ้งไว้เป็นอนุสรณ์หลังความตาย มีความหมายคงอยู่ ตลอดไป
Alfred A. Montepert
(english) Chemical Symbol Zn. Element No. 30 of the periodic system; atomic weight 65.38. Blue-white metal; when pure, malleable and ductile even at ordinary temperatures; melting point 787 (degrees) F.; boiling point 1665 (degrees) F., specific gravity 7.14. Can be electrodeposited; it is extensively used as a coating for steel and sheet zinc finds many outlets, such as dry batteries, etc. Zinc-base alloys are of great importance in die casting. Its most important alloy is brass.