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分层浇筑
 分层浇筑
hydroel.st. placement in layers
| 混凝土
 混凝土
environ. concrete
manag. concrete
met. beton
oil cement concrete
sport. concrete

to phrases
分层浇筑
hydroel.st. placement in layers
railw. pour in layers
分层浇筑
: 6 phrases in 2 subjects
Hydroelectric power stations3
Technology3