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Valve Corporation is an American video game developer and publisher founded in 1996 by Gabe Newell and Mike Harrington. The company is currently based ...
跳到 Valve Corporation v. Vivendi Universal Games - Between 2002 and 2005, Valve was involved ... Vivendi Universal Games (under Vivendi's ...
威尔乌公司（Valve Corporation，原名：Valve Software）是一間位于华盛顿州专门开发电子游戏的公司。它的第一个产品《半条命》在1998年11月发布。2004年Valve發布了使用自行研發的遊戲引擎Source引擎開發的半条命2，取得了巨大的成功。Valve公司同時營運著名為Steam的數位發行平台，主要服務PC遊戲市場。2012 ...
Valve Corporation (ранее Valve Software) — американская компания-разработчик компьютерных игр, создавшая серии компьютерных игр Half-Life, Portal, Counter-Strike, Team Fortress, Day of Defeat, Left 4 Dead, Ricochet, Alien Swarm и Dota 2; игровые ...
A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a
Valves are quite diverse and may be classified into a number types. Basic types[edit]. The inside of an extremely large butterfly valve. Duplex ball valve.
A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in ...
A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it. It is open when the ball's hole is in line with ...
A valve actuator is the mechanism for opening and closing a valve. Manually operated valves require someone in attendance to adjust them using a direct or ...
The four-way valve or four-way cock is a fluid control valve whose body has four ports equally spaced round the valve chamber and the plug has two passages ...
