The item of lot 2247 is made of Alloy metal.

He wanted to plate copper with silver.

他想给铜容器镀银.

When the plating exist defect, the gold-plating nickel-plating both promote the stress-corrosion fracture of Kovar alloy.

在镀层存在缺陷时, 镀金、镀镍层均促进柯伐合金的应力腐蚀开裂.

The strengthening mechanism of iron grain nickel coating was studied.

研究了镀镍铁粉对材料性能的影响,探讨了镀镍铁粉增强机理.

Cost of nickel plating was increased greatly because of rapid rise price.

由于镍价的飙升,镀镍成本大幅上升.

Causes for defective nickel deposits were discussed and solutions were presented.

探讨了镀镍层常见缺陷的原因并提出了解决方法.

This paper analyses the structure and properties of nickel-plating and boronizing layer.

分析研究了镀镍渗硼层组织结构和性能特点.

A new process of barrel Ni-Fe alloy plating was developed.

研制出一种滚镀镍铁合金新工艺.

Formula of Aminosulfonate nickel plating on discrete parts was described.

介绍了用于分立器件的氨基磺酸盐镀镍工艺.

All transmission shafts are chrome plated to increase hardness.

所有传动轴镀铬,增强硬度.

Base: transparent round or square glass base ; Or Iron base plated.

底座: 玻璃底座或金属镀铬底座,但是报价不含底座.

Does not apply from rail ends over dimension noted.

杆子的两端按标注尺寸留空(不要打磨、镀铬).

The upper limits of Cr ( III ) concentration in different Cr-plating processes are different.

不同镀铬工艺所允许的三价 铬含量 上限各不相同,过多均有害.

To plate metal is to cover it with a thin layer of gold, or silver, etc.

电镀金属就是把金属薄薄地覆盖上一层金或银等.

This text introduces the aim of developing the measuring instrument, its working principle and circuit construction.

本文介绍了该测量仪的研制目的 、 工作原理和电路组成.

We focus on specializing and manufacturing measuring instrument.

专门从事测量、分析等领域的研发制造.

Measuring instrument operation and maintenance.

测量仪器操作及保养维护.

The advance measuring instrument have guaranteed the out quality of the products.

严格的检测手段、先进的测量仪器,确保了产品的优秀品质.

So it is used instead to calibrate more practical current-measuring instrument, called ammeters.

因此,它只用于校准更实用的测量电流的仪表――安培计.

Doubts were expressed concerning the validity and reliability of the primary measuring instrument.

人们对最初的测量工具的效度和信度产生了一些怀疑.

The infrared laser plume measuring system is established to evaluate the performance of solid propellant.

为了准确评估固体推进剂的性能,研制了红外激光羽烟透过率测量系统.