短語詞組短語dz directionally -solidified superalloy dz4定向凝固合金DZ4 directionally -solidified superalloy DZ4定向凝固合金dz 4 directionally -solidified superalloy dz定向凝固合金directionally solidified superalloy 定向凝固高溫合金;定向凝固鑄造高溫合金directionally solidified bucket 定向凝固動葉a directionally solidified superalloy 定向凝固合金directionally solidified eutectic alloy 定向共晶合金directionally solidified eutectic superalloy 定向凝固共晶高溫合金directionally solidified composites 定向凝固復合材料 返回 directionally solidified