protective principle

It describes STT+ CO_2 automatic welding technology from two aspects of STT control principle and application aimed to the serious defects& splash existed with CO_2 gas protective automatic welding.

针对CO2气体保护自动焊存在的飞溅这一严重缺陷，着重从STT控制原理和应用两方面阐述了STT+CO2自动焊技术。

The main principles of the tax plan include the following: the non-illegal principle, protective principle, principle of statute of limitation and global principle.

其应遵循的主要原则包括：不违法原则、保护性原则、时效性原则、整体性原则。

A kind of high precision Optical Fibre Cleaver which can cleave singlemode and multimode fibres is introduced in this paper. The cutting principle of fibres is analysed. The designs of fixed position mechanism, tension mechanism, spring mechanism and double-protective mechanism are discussed.

本文介绍了一种能切单模和多模光纤的高精度光纤切割刀，分析了光纤切割原理，阐述了定位机构、张力机构、弹簧机构及双防护机构的设计，最后介绍了实验结果。

The characteristics, protective principle and application of Sterically hindered silane blocking agents were reviewed.

综述了位阻型硅烷化试剂的特点、保护原理和应用。

This paper narrates the fundamental principle of overcurrent protective system in underground LV cable networks.

本文描述煤矿井下低压电网中电流故障保护系统的工作原理.

The feature and configuration are introduced for the new generation of electrification railway feeder line protection. Its main protective principle and criterion are analyzed.

介绍新一代电铁馈线保护装置的特点及保护配置，对主要的保护原理及判据进行分析。

The working principle and function of the main modules and theof protective device are introduced.

分析了保护装置各主要模块的工作原理、功能等.

For the application of three-dimensional network seeding to subgrade protective engineering, the paper discussed its principle, especially the characteristics and construction technology of new technology for three-dimensional seeding.

就三维网植草在路基防护工程中的应用，论述三维植被网防护边坡的作用机理，重点阐述三维网植草新技术的特点及施工工艺，并对经济效益进行了分析。