Here is the detailed information on "Highly Modern Giant Steel Pile Pressing Technology" and "Advanced Welding Skills and Welding Technology" translated into English:

### Highly Modern Giant Steel Pile Pressing Technology

**What is Steel Pile Pressing Technology**
Steel pile pressing is a method used in the construction of deep foundation systems for large structures and infrastructure projects. In this technology, steel piles are driven into the ground using hydraulic pressing machines. This method is preferred in urban areas due to its quieter and vibration-free nature compared to traditional piling methods.

**Advantages:**
1. **Low Noise and Vibration:** Hydraulic pressing creates less noise and vibration compared to hammer driving, making it advantageous in city centers and sensitive areas.
2. **High Precision:** Hydraulic pressing allows for more precise placement of piles.
3. **Environmental Impact:** It causes less environmental impact and disturbance, making it more suitable for local residents and the environment.

**Applications:**
- High-rise buildings
- Bridges
- Ports and marine structures
- Infrastructure projects (e.g., metro and tunnel constructions)

### Advanced Welding Skills and Welding Technology

**What is Welding**
Welding is the process of joining two or more metal parts using heat and/or pressure. This process can be performed using different welding methods and is crucial in industries such as manufacturing, construction, automotive, and aerospace.

**Types of Welding:**
1. **Gas Metal Arc Welding (MIG/MAG):**
   - **MIG (Metal Inert Gas):** Uses inert gases like argon or helium.
   - **MAG (Metal Active Gas):** Uses active gases like carbon dioxide or carbon dioxide/argon mixtures.
2. **Tungsten Inert Gas Welding (TIG):**
   - Uses a tungsten electrode and typically argon gas for shielding.
3. **Arc Welding:**
   - Uses an electric arc to perform the welding.
4. **Laser Welding:**
   - Uses a laser beam for high-precision welding.

**Modern Welding Technologies:**
1. **Robotic Welding:**
   - Uses automation and robotic technologies for faster and more precise welding processes.
2. **Friction Stir Welding (FSW):**
   - A solid-state welding process that uses the heat generated by a rotating tool to join materials.
3. **Laser Hybrid Welding:**
   - Combines laser welding with arc welding, offering the advantages of both methods.

**Advanced Welding Skills:**
- **Material Knowledge:** Understanding the properties of different metals and alloys and selecting the appropriate welding method.
- **Technical Proficiency:** The ability to produce precise, consistent, and high-quality welds.
- **Problem-Solving:** Identifying and correcting welding defects.
- **Safety Awareness:** Adhering to safety protocols and using protective equipment during welding processes.

### Conclusion

Highly modern giant steel pile pressing technology and advanced welding skills and technology are critical components in large construction projects and industrial applications, ensuring high efficiency, safety, and quality. Both technologies have revolutionized modern engineering and construction fields, enabling projects to be completed more safely, quickly, and effectively.