预热区 meaning in Chinese
preheat fire region
preheat section
preheat zone
preheating section zone
preheating zone
preheatingzone
preliminary heating zone
zone of preheating
Examples
- Adopting step - motor drive , upper / lower & back exhausting filter structure ; auto - proportioned flux supply ; special wind way design for good protection of the muzzle and avoiding flux flying to preheating zone , reducing any chance of unsafe troubles
采用步进马达驱动，上下及后侧抽风过滤方式，助焊剂自动供给，特殊风道设计，有效保护喷嘴，防止助焊剂逃逸至预热区，减少安全隐患。