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- If a coil has no metal core it has an air core. 如果线圈没有金属芯子，它就有一个空气芯子。
- If a coil has no metal core it has an air core . 如果线圈没有金属芯子，它就有一个空气芯子。
- Armature The armature of an AC generator is the assembly of windings and metal core laminations in which the output voltage is induced. 电枢交流发电机电枢的是金属芯和绕组的总成，产生感应电压。
- Methods Metal core insertion was to stall sterility steel wire into urethral catheter and fold into fit shape. Then inserted urethral catheter to urinary bladder. 方法管芯植入法是将无菌钢丝植入导尿管内,折成金属导尿仪的形状,再用导尿管经尿道插入膀胱引出尿液的方法。
- A type of self-shield metal cored wire for hardfacing is studied in the paper. 研制了一种自保护金属芯堆焊药芯焊丝。
- Early on, dense iron sank out of the magma oceans to form the metallic core, liberating enough gravitational energy to melt the entire planet. 更早期的时候，较重的铁自岩浆海中析出下沉，渐渐形成了金属成份的地核，下沉时释放出的重力位能足以把整个地球再次熔融。
- A metal pot, usually with a lid, for boiling or stewing. 水壶一种金属的壶，常有盖子，用于烧水或炖东西
- The rapid rotation of such metallic core explains the strong magnetic field of Jupiter. 超高速的自转再加上金属氢核心,难怪木星有很强大的磁场。
- A computer is a machine with an intricate network of electronic circuits that operate switchs or magnetized tiny metal cores. 计算机是一种具有复杂电子电路网络的机器，其电路可控制开头或磁化微小的金属磁心。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Inquiring into Thickened Value of Metal Core in Steel Wire Rope 钢丝绳金属芯加粗量的探讨
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去，发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- The hinged metal lid over the engine of a motor vehicle. 引擎罩机动车辆引擎上以铰链接合的金属盖
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The ship was broken up for scrap metal. 这艘船拆毁了当废铁用。
