Culverts
涵洞
涵闸
拱涵
箱涵
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Bridges and Culverts
工程
CAD system for culverts
涵洞CAD
Code for design of highway reinforced concrete and prestressed concrete bridges and culverts
公路桥规
construction of bridges and culverts
施工
Covered Culverts
culverts and sluices crossing dykes
穿堤涵闸
design of culverts and bridges
设计
Highway Bridges and Culverts
公路桥
Masonry Arch Culverts
圬工拱涵
pipe of culverts
rock-socketed drop water box culverts
嵌岩式跌水箱涵
Small Bridges and Culverts
小桥
small bridges culverts
小桥
Strengthening Back of Bridges and Culverts
台背加固
the construction of bridges and culverts
施工
the strengthening of bridges and culverts
加固
underground culverts
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Anhui Meteorology ObservatoryLap seam weldingurease inhibitor微生物学质量gyrocompass repeaterRelative moisture content in leafCovered land块断构造作用THERMAL AND ELECTRICAL LOAD