一条褐色运河静静地从桥下淌过,交错划过旁边的一片种满棕榈树的狭长地带。自来水塔四处错落耸立,远处隐约可见起重机和铁架塔。
A calm brown waterway flows beneath the bridge, interlaced with palm-treed fingers of land; a chaos of water towers, cranes and derricks is revealed in the distance.
为验证本文研究的塔式起重机计算机辅助设计平台的正确性,对某厂生产的5012塔机的塔身进行了再设计。
For verifying accuracy of the investigative platform, we designed the tower crane mast again about the type of 5012.
阐述了塔式起重机附着装置的设计计算理论,建立了基于该理论的塔机附着装置计算机辅助设计系统。
It presents the designing principle of the attached member for tower crane, establishes the computer aided design system of this machinery.
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