落锤：由钻或底座及与之对齐的锤组成的机器，锤被举起后落在融化金属上用于锻造或冲压放在砧板上的金属。
Drop hammer: a machine consisting of an anvil or base aligned with a hammer that is raised and then dropped on molten metal used to forge or stamp the metal resting on the anvil.
工程师喜欢陶瓷材料，因为它们加热时不会融化，这点不像金属和塑料，尽管它们是脆的。
Engineers like ceramics because they can be heated without melting. Unlike metals and plastics, though, they are brittle.
融化的ABS塑料被金属模具被施以高达25 ~ 150吨(取决于所制作的零件的种类)的压力之中。
The melted ABS is struck at a pressure of 25 tons to 150 tons — depending on the type of brick being made — with the metal molds.
应用推荐