短语词组短語sand mould casting 砂型鑄造;砂型鑄件sand -casting [機]繙砂open sand -casting 敞澆注件sand Al casting 沙鑄鋁件sand box casting process 砂型澆鑄法exact sand mold casting 精確砂型鑄造sand in casting process 鑄造舊砂green sand mold casting 溼砂型鑄造 返回 sand casting