What is Direct Burial Conduit? (The Complete Guide for 2024)
Direct burial conduit is a pipe designed and installed underground without protection. It is commonly used for electrical, telecom, or data comm purposes.
如何制作 PVC 导管(2024 年权威指南)
PVC 导管制造共有 8 个步骤,包括准备和混合材料、模具安装和机器预热、挤出。冷却..