The external loads on the A-type gate crane foundation and its reinforcement structure are studied.
研究了A型门架基座及加强结构的外载荷，采用有限元法计算了结构在各载荷组合工况下的应力。
It is loaded onto a truck that travels along the toll roads, enters the port gate operated by China Merchants and is hoisted by a gantry crane onto an international ship.
然后装上一辆卡车，沿着收费道路运行，进入中国招商国际操作的港口大门，接着被门式起重机吊起装上国际远洋轮船。
The gate of a crane should not have deformation, seam slippage or wielding off.
起重机构的门架不得有变形或脱缝脱焊现象。
The variant design platform of sluice gate gantry crane was developed, and as an example, methods were applied and verified.
以开发的门式启闭机变型设计平台为例，对提出的方法进行了验证。
If the request gate leg width is big, the working speed is high, or lifts heavy, the long big-ticket item frequently, then chooses the double Liang portal type hoist crane suitably.
如果要求门腿宽度大，工作速度较高，或经常吊运重件、长大件，则宜选双梁门式起重机。
If the request gate leg width is big, the working speed is high, or lifts heavy, the long big-ticket item frequently, then chooses the double Liang portal type hoist crane suitably.
如果要求门腿宽度大，工作速度较高，或经常吊运重件、长大件，则宜选双梁门式起重机。
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