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关注：1
2013-05-23 12:21
求翻译：Main combustion air pipe equipment includes main pipe and branch pipe made of DN20-50 mm seamless steel pipe ,stabilizer and actuator safety magnetic valve (closed in electricity failure),filter ,release valve ,pressure limit switch and immediate pressure display.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Main combustion air pipe equipment includes main pipe and branch pipe made of DN20-50 mm seamless steel pipe ,stabilizer and actuator safety magnetic valve (closed in electricity failure),filter ,release valve ,pressure limit switch and immediate pressure display.
问题补充： |
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