primary circuit 一回路 ; 初级电路 ; 一次电路 ; 一次回路
Electrotechnical Primary Circuit 电力工程一次部分
primary circuit design 一次电路设计
primary circuit pressure boundary 一回路压力边界
Between the primary circuit 二次回路间
primary circuit route 主电路布线
primary to primary circuit 初级中心局间中继电路
These tubes then transfer heat to the primary circuit water, simply by contact.
这些燃料管然后通过简单的接触换热把热量传给主回路中的冷却剂。
UPS primary circuit and its switching circuit are analyzed, optimization solution is recommended.
分析比较UPS一次及其配电电路，推荐优化方案；
Primary wires. Low voltage wires used to connect the electrical components of the primary circuit.
初级导线。低压导线用来连接初级回路的各个部件。
应用推荐