Top of the bucket has overflow vent, which can effectively prevent vapor locking of the steam, and air blocking phenomenon (non-condensing heat air may also be vented).
英
美
- 吊桶顶部设有溢出排气孔,可有效防止蒸汽汽锁,空气气堵现象(非凝结性的高温空气也可排除)。