您要查找的是不是：
- metallic core diameter 金属芯直径
- 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。
- 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。
- 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。
- 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。
- large core diameter high numerical aperture 大芯径大数值孔径
- 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。
- Core Diameter Measurement of Graded-Index Optical Fibers 分级指数光学纤维芯直径测量
- Study on Low Loss Connecting between Small Core Diameter Er 小芯径掺铒光纤与单模光纤低损耗接续的研究
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- 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。
- Thickness or diameter, as of sheet metal or wire. 直径，厚度金属板的厚度或线的直径
- This is a kind of metallic paint. 这是一种有金属光泽的涂料。
- I heard metallic sounds when I was studying. 在我学习的时候我听到了金属撞击的声音。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Determination of the Core Diameter and Refractive Index of the Fiber Bragg Gratings 布拉格光纤光栅等效芯径和折射率的测量
- 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？
- Table of Main Parameters of Nominal Core Diameter, Length, Displacement Value and Flange 公称通径、长度、位移数值与法兰主要数据表
