高压喷射灌浆防渗技术
technique of jet grouting impervious wall
技术装备
technological equipments
technology equipment
technique equip
Technical
technical equipment
Equipment
technological equipment
technology and equipment
Energy saving and emission reduction
Technique and Equipment
technologic device
Technical equipments
equipments
healthcare devices
技术装备国产化
domestic manufacture of technical equipment
技术装备水平
level of technology and equipment