预限开关 prelimit swith ; pre-limit switch
预定限额 Prior Limitation ; am rior Limitatio
预限暂时运转管理推介 PCIOMER
预算限制 Budget constraint ; [财政] budget restraint ; Budgetary constraints
预计使用年限 anticipated service life
预算限额 Budget allowance ; budget limits ; [财政] budget ceiling
暂定预算开支上限 provisionally acceptable levels of expenditure
预计期限 life expectancy
有限预览 limited preview
此外，利用汽车发动机点火系统测试了电火花能量、来流速度、电极距离等因素对汽油-空气预混气的着火稀限的影响。
In addition, the influence of the spark energy, the gas stream speed and the electrode distance on the lean ignition limit of the gasoline-air mixtures by an automobile ignition coil was determined.
安全带中限力器、预张紧器、织带的性能参数是影响车辆安全带系统约束性能的主要因素。
Load limiter, pretensioner and strap of a safety belt are primary factors which affect its protecting performance.
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