常用短語(yǔ)

boiler efficiency test鍋爐熱效率試驗(yàn)

net boiler efficiency鍋爐凈效率

total boiler efficiency鍋爐總效率

Boiler Efficiency Directive鍋爐效率的指令

the boiler efficiency鍋爐效率

This Improves Boiler Efficiency改進(jìn)鍋爐效率

raise boiler efficiency提高鍋爐效率

boiler efficiency testing鍋爐效率試驗(yàn)

raising boiler efficiency提高鍋爐效率