空心村改造
hollow village reconstruction
提铁降硅技术改造
Iron improvement and silicon reduction technical transformation
以大代小改造
retrofit scheme upon substitution of large for small
1000t吨甲板驳改造
transformation of 1000 tons deck barge
105国道改造工程
upgrading project of National Road 105
AB工艺的改造
reconstruct of AB process
DCS系统改造工程
DCS system upgrading project
FDFCC改造
technical upgrade with FDFCC technology
gns改造定理
gns reconstruction theorem
HACH磷表的改造
Alteration of HACH phosphate analyzer
IEGT桥臂改造
IEGT bridge arm modification
KBM磨内改造技术
KBM in-mill reconstruction technology
PE装置改造
PE installtation improvement