1.
Key Problems Analysis and Countermeasures of Vacuum Sealed Molding Casting Al-Si Alloy
铸造铝硅合金真空密封造型工艺难点分析
2.
TIANJIN PETROCHEMICAL 90 M CHIMNEY CONSTRUCTION AND DIFFICULT PROCESS ANALYSIS
天津石化90m烟囱施工工艺及难点分析
3.
Technology Study of Some Difficult Issues of the Connecting Rod and Crankcase of 6170 Diesel Engine during Machining Process;
6170柴油机连杆、机体加工中几个难点问题的工艺性研究
4.
Feature machining-oriented operation sequencing is a crucial problem in CAPP system.
面向特征加工的工艺过程排序是计算机辅助工艺规划中一个非常突出的难点问题.
5.
The characteristics of trapezoid slit of slotted oil pipe are summarized in this paper. The difficulty of laser cutting, the special equipment preparation and the processing methods are introduced.
介绍了割缝筛管梯形缝的特点、激光切割的难点、特殊的设备配置及新的加工工艺方法 .
6.
Exquisite workmanship is the outstanding characteristic of these artistic handwork's.
工艺精美是这些工艺品的突出特点。
7.
Focus on the peculiarities of refractory gold ore containing rich arsenic and rich sulphur in Jiangxi gold mines,the paper propose a new method and technology of acidic aqueous chlorination of gold.
针对江西高砷高硫难浸金矿石的特点，提出了酸性水溶液氯化提金的新方法与工艺。
8.
piping and instrument diagram
带控制点工艺流程图
9.
The Key Points and Difficult Points of Cost Management in Power Construction Enterprises;
电力施工企业成本管理的重点与难点
10.
Technological study on gold extraction from a refractory gold concentrate containing high As and Sb
高砷含锑难浸金精矿提金工艺的研究
11.
A Study of Mining Technology for Hard-to-Mine Ore Body in Eastern Zone of Daye Iron Mine;
大冶铁矿东区难采矿体开采工艺研究
12.
Study on beneficiation technology of the ferrous ore difficult to separate in Shanxi Area
山西某地区难选铁矿石选矿工艺研究
13.
Study on Pressure Acid Leaching Technique of a Refractory High Silicon Zinc Oxide Ore
某难处理高硅氧化锌矿加压酸浸工艺
14.
STUDY ON MINERAL PROCESSING TECHNOLOG OF THE REFRACTORY OXIDIZED LEAD-ZINE ORE IN SHIZHU
石柱难选氧化铅锌矿石选矿工艺研究
15.
New technology development for gold ore oxidizing roasting
难处理金矿石氧化焙烧新工艺的开发
16.
STUDY THE ARTISTIC FEATURE OF CELADON FORM ITS TECHNICAL FEATURE;
青瓷的工艺特点与其艺术特色的关系
17.
To Solve the Construction Problem of the High-furnace Material Hole by Using the Construction Technology of Droping Sinking Wells Water Level;
井点降水施工技术解决料坑施工难题
18.
The difficulty with biography is that it is partly record and partly art
传记的难点在于它部分是记录而部分是艺术