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“330”工程叶片是我国目前试制生产的最大不锈钢铸造叶片,也是世界上最大型的叶片,毛坯重42吨,尺寸、形状如图1所示。
The “330” blade is the largest stainless steel casting blade trial-produced in our country and the largest blade in the world with a weight of 42 tons. The size and shape are shown in Fig.1.