铸造 foundry, founding, casting 铸造工艺 foundry technology 压铸模die-casting die 过冷度 degree of undercooling 龟裂 heat checking 压室 pressure chamber 分流器 spreader, sprue spreader 顶杆 ejector pin 压射冲头(压室) injection piston,plunger 压铸机 die casting machine
2020-10-16 15:34:40