防护: protect; shelter; shield; guard; shielding; protection; proofing 短语和例子人体防护 [军事] physical protection; 防护植物不受阳光直接照射 shelter a plant from direct sunlight; 这个村庄有一条河防护着。 the village was defende
电机: (任何产生和应用电能的机器, 特指发电机、电动机) any power-generating or power-driven machine, esp. generator or electric motor; electrical machinery◇电机厂 electrical machinery plant; 电机工程师 electric engineer; 电机工业
防护式电机: protected electric machineprotected machine