The ever-increasing copper price in the past several years has led to a significant increase of the cost of copper cables, and the economic section has hence decreased.
在过去几年中，铜价上升的幅度很大，导致铜芯电缆成本成倍增长，经济截面有减小的趋势，因此以前确定的经济截面是否仍满足载流量要求有待验证。
Copper wire color (dark red or white) : continuous annealing in the work period of the line burn soft and pass cooling section after cooling can achieve lead not hot, without water.
铜线变色(暗红或发白)：连续退火在工作段把线烧软，还要经过冷却段冷却后才能达到引出线不烫、不带水。
All standard coils are mechanically expanded copper pipes plus aluminum fins. The surface cooling section is equipped with a pitched discharge coil to ensure complete discharge of condensed water.
盘管的标准型式均为铜管串铝翅片结构，采用机械胀管。表冷段设计有倾斜式排水盘，保证彻底排尽水盘中的凝水。
应用推荐