伊人婷婷久久狠狠草,制服丝袜中文久久,亚洲专区一二,色欧久久久,免费操人拍拍,一区 高清 有码,国产一二区国产精品,亚洲中文字幕精品六区,国产亚洲天堂99

”礦用可移動(dòng)式救生艙“系遼寧渤海防腐工程有限公司根據(jù)礦井井下的環(huán)境和易發(fā)生安全事故的特點(diǎn)，構(gòu)思研發(fā)一種能夠防止發(fā)生礦難時(shí)，使井下操作人員能夠維持生存的一種避難設(shè)備。

"Mineral movable rescue capsule" is based on the underground environment of the mine and the characteristics of easy safety accidents. It is conceived to develop a kind of refuge to prevent underground operators from surviving when mining accidents are prevented. device.
技術(shù)關(guān)鍵點(diǎn)：

1、為井下人員提供生存必須的空氣、溫度、食物、水以及睡眠和與外界信息溝通，同時(shí)防止砸壓變形和防水、防可燃?xì)怏w進(jìn)入。
2、使用該救生艙能夠保證發(fā)生礦難時(shí)，井內(nèi)人員可短時(shí)期生存，為救援提供時(shí)間保障。

Technical key points:
1. Provide the underground personnel with the necessary air, temperature, food, water, sleep and communication with the outside world, while preventing deformation and waterproofing, and preventing the entry of flammable gases.
2. The use of the rescue capsule can ensure that the mine personnel can survive for a short period of time and provide time guarantee for the rescue.