废热利用率
availability ratio of waste heat
waste heat utilizing efficiency
大通道治疗用纤维十二指肠镜
large channel therapeutilc duodeno-fiberscope
大型船用柴油机用盘车机
turning gear for large marine diesel engine
大型工具制造工用显微镜
large toolmaker’s microscope
大型取用水户
Large-quantity Water Users
大型研究用显微镜
large research microscope
大型医用电气设备
large-scale medical electrical equipment
大用户差异化服务
larger electricity customers diversified service
大用户法
the large customer method
大用户直供
Direct Power Supply for Large Customer
the directive power supply to large users
大用户直购
direct power-purchase pattern for large consumers