三峡工程建设动态长委研制出新一代片冰机长委设计并生产的大型施工设备ＰＢＬ３０型片冰机，于４月７日运抵三峡施工现场，受到施工单位好评。长委在多年吸取国外先进技术的基础上，结合我国水电工程施工的实际，对片冰机进行了第３次大的技术改进。１９８０年第一代片冰... Three Gorges Project Construction and Development Committee developed a new generation of long ice machine design and production of large-scale construction equipment PBL30 flake ice machine, arrived in the Three Gorges construction site on April 7, received by the construction unit. On the basis of absorbing advanced foreign technologies for many years and taking into consideration the actual construction of hydropower projects in our country, the NPC has carried out the third major technological improvement on the ice machine. The first generation of ice in 1980 ...