[电力、热力、燃气及水生产和供应业] [2023-05-01]
水电设备利用效率与降水量相关，降水量的季节性变化影响水力发电量，水库蓄水辅助调节。大气降水通过地表径流汇入河流，进入到水轮发电机组中，将机械能转换成电能并输出。云南、贵州、四川的水电设备利用小时数与降水量的相关性较强，即降水量越大，水电设备的利用率越高。降水的降水量季节性变化影响水力发电量，而水库在丰水期蓄水、枯水期放水，起到跨季节辅助调节的作用。
[电气机械和器材制造业,电力、热力、燃气及水生产和供应业,计算机、通信和其他电子设备制造业] [2023-05-01]
More than 140 countries are featured in this report as well as global and regional summaries. Estimates on equipment or material sales (product shipments value) are published for six historical years and two forecast years. Product shipments include the total value of all products produced and shipped by all producers. For selected products, this can represent value of receipts, value of production, or value of work done.
[电力、热力、燃气及水生产和供应业] [2023-04-30]
More than 140 countries are featured in this report as well as global and regional summaries. Estimates on equipment or material sales (product shipments value) are published for six historical years and two forecast years. Product shipments include the total value of all products produced and shipped by all producers. For selected products, this can represent value of receipts, value of production, or value of work done.
[电力、热力、燃气及水生产和供应业] [2023-04-27]
[电力、热力、燃气及水生产和供应业] [2023-04-25]
[电力、热力、燃气及水生产和供应业] [2023-04-24]
[电力、热力、燃气及水生产和供应业] [2023-04-23]
[电力、热力、燃气及水生产和供应业] [2023-04-23]
[电力、热力、燃气及水生产和供应业] [2023-04-23]
[电力、热力、燃气及水生产和供应业] [2023-04-23]
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