... 生物活力源 bioactive source 水下动力源 underwater power source 推进动力源 propulsive power source ...
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It can be used as a high-performance underwater acoustic target simulator, or as a low frequency broadband high power underwater acoustic source.
可用作水下目标声特征逼真模拟器(声靶)，也可作其它低频宽带大功率声源使用。
A new type of underwater welding system is studied, which includes an oscillating wire feed system and a welding power source with staircase external characteristic.
研究了一种新型的水下焊接系统。系统中弧焊电源输出阶梯型的外特性，送丝系统采用脉动送丝方式。
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