The high fixed costs of foundations, erection and connection trigger the design and installation of multi megawatt turbines with blade lengths beyond 60 m.
由于其基建、吊装和并网所需的固定成本居高不下，因此促使人们设计和安装叶片长度超过60米的多兆瓦发电机。
The main bridge type crane, the erection and assembly has strict technical requirements, and a set of measurement methods to measure the installation result strictly.
桥架式桥式起重机的主体，其架设和组装都有严格的技术要求，并有一套严格的测量方法来测量安装结果。
The instructions and drawings shall include information of handling and slinging the major pieces of equipment, erection tolerances, and special precautions to be taken in the installation.
说明和图纸应包括安装中设备重要部件的处理和吊运，安装误差及特殊预防措施。
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