The product structure adopts three-phase together box type, the outlet and inlet line of sheath pipe, there is dry air in the box, electric spring operation mechanism is installed side of box, it can be used under the crucial environment.
英
美
- 本產(chǎn)品總體結構采用三相共箱式，套管進(jìn)出線(xiàn)，箱體內為干燥空氣，電動(dòng)彈簧操動(dòng)機構布置在箱體的側面，可在較嚴酷的環(huán)境條件下可靠使用。
