One time tube sealing and exhausting technique is an advanced technique in which vacuum arcchute are processed.
一次封排工艺是生产真空灭弧室的先进工艺，排气、封口同时进行一次完成。
2
The ballute consists of a ballute cover and ropes, and the ropes are respectively connected with the sliding axle in the chute and the pull rod in the semicircular arc-shaped pull rod bracket.
气伞由伞罩、绳索组成，绳索分别与滑槽内滑动轴和半圆弧形拉杆架内拉杆连接。
3
The circuit breaker housing (4) includes a number of arcchute vents structured to exhaust arc gases.