煤安光纤网络的交钥匙工程的英文

ma fiber optic network turnkey

• 煤:    coal
• 安:    peaceful; quiet; t ...
• 光纤:    fibre-optical
• 网络:    network; electric ...
• 的:    4次方是 The fourth po ...
• 交:    hand over; give up ...
• 钥匙:    key; unlocking key
• 工程:    engineering; proje ...