塑料涂层能防潮.A plastic coating repels moisture.隔热层必须防潮.The insulation must be protected from moisture.机器包装必须防湿 、 防潮 、 防锈、防震.The machines must be well protected against dampness, moisture, rust and shock....
You greedy pig! You've already had two helpings!你这个馋嘴！你已经吃了两份了！The greedy boss stopped at nothing to gain profit.贪婪的老板为了攫取利润无所不为.The greedy child brought up all he had eaten.这个贪吃的孩子把吃下去的东西全部吐了出来....
U 4 triode connected: Medium MU small mass filamentary heating structure.三极管接法): 中Mu小型灯丝结构.Low MU Thoriated Tungsten filamentary heating structure.低Mu敷钍灯丝结构.High MU Thoriated Tungsten filamentary heating structure.高Mu敷钍灯...