2) gallows crab bucket
龙门抓斗
1.
This paper briefly introduces the technical process of the erection of main beam joints and main beam of 5t double-beam gallows crab bucket by usi ng 500×500 portal frame, sleepers and 50 t and 30 t autocranes, and expounds em phatically the overall design of the schemes, the selection of bearing platform s steel columns, the verification of the strength, and the erection of the platf orm, etc.
主要介绍了利用500×500龙门架,道木及50t、30t汽车吊进行5t双梁龙门抓斗主梁接头、主梁安装的工艺过程,并对其方案总体设计情况、支撑平台钢柱的选择、强度校验及平台搭设等环节进行了重点阐述。
3) Doumen County
斗门县
1.
GIS Based Land Resources Evaluation of Doumen County;
基于GIS的斗门县土地资源评价
4) Guangdong (Doumeng-Yaxian)
斗门-厓县
5) Porch style
门斗式
6) dipper door
铲斗底门
补充资料：门斗
1.官学中的仆役。 2.门楣的上方。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条