• 1. Variable-valve-timing System: 可变汽门正时系统 | 可变排汽量式引擎
• 2. lost-motion variable valve timing system: 配气相位可调节系统
• 3. variable valve distribution timing system: 可变气门配气正时系统

• 1.The 4-cylinder is a 16-valve DOHC design with Toyota’s VVT-i variable cam timing system, and is rated at 179 horsepower at 6000 rpm and 172 lb-ft of torque at 4000 rpm.
  4缸机为16气门DOHC（双凸轮抽）设计，配备丰田VVT-i（智能正时可变气门控制系统），最大功率179hp/6000rpm(131kw/6000rpm),最大扭矩172lb-ft/4000rpm(233Nm/4000rpm).
  dict.yoduao.com
• 2.The effective anti-wear additive system minimizes wear in even the most sophisticated valve train mechanisms, including those with variable valve timing.
  在有效的抗磨损添加剂磨损降到最低，即使在最先进的气门驱动机制，包括可变气门正时的。
  dict.yoduao.com
• 3.Influence of valve timing on air intake efficiency of the variable air intake system is analyzed.
  分析了配气正时对可变进气系统充气效率的影响。
  dict.yoduao.com

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