... 30 August 2012 » 预计截止日期:2012年8月13日, after the class » 后级 nitial and intermediate rolling » nitial和中间轧制 ...
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我每次更换后级电子管的时候是不是必须把前级管也一起换?
Do I need to replace my driver tube every time I replace my power tubes?
M/A-COM MAPR-000912-500S00峰值功率为500瓦,适合用于后级放大器。
The M/A-COM MAPR-000912-500S00 is rated at 500Wpk and is ideal for amplifier final stages.
由于拍摄成本过于高昂,这部电影在商业上注定是失败的,但至少导演敢起用一位天后级的女演员出演动作片,这种胆识值得肯定。
Plagued by on-set accidents, Aeon Flux fizzled commercially, but at least the filmmakers took a stab at casting an A-list actress smack in the middle of the action.
Okay. Now watch what happens as we continue with this I,VI,IV,V,I progression.
好,在这一段I-VI-IV-V级的和弦进行后,音乐发生了什么变化呢。
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