Explosive environment: It is necessary to choose the appropriate level of explosion-proof products, open-air installation or dust should be used more occasions waterproof, dust-proof varieties.

爆炸性环境：必须选用相应防爆等级产品，露天安装或粉尘多场合应选用防水，防尘品种。

youdao

Boeing will deliver the replacement wing sets to Hill Air Force Base, Utah, in four parts: three wing sections and an installation kit.

波音将把置换机翼部件交付到犹他州希尔空军基地，部件分为四部分：三个机翼剖面和一个装置零配件。

youdao

The Air Force is expected to award a contract in November 2010 for the production of FIDL installation kits for the service's entire B-1 fleet.

空军预计将在2010年11月授予生产整个B - 1轰炸机队的FIDL安装服务。

youdao

The air lock installation is the primary objective of the Atlantis mission, with the two-room chamber allowing space station crews to venture from the station in NASA spacesuits without the assistance of visiting shuttles.

CNN: Air lock installed on space station

The U.S. Air Force Academy installation commander also issued an evacuation order for residents on the complex, an Air Force statement said.

MSN: Tens of thousands evacuated in Colo. wildfires

The big payoff for Internet videoclips will be in things like a sports car demo, an installation manual for an air conditioner, or maybe a tutorial on dog tricks.

FORBES: What's in Storage