Truss arch bridge can also get better displacement coordination among three trusses by adjusting the tension of hanger rod.

桁拱桥也可通过调节吊杆的拉力来使桁间位移进一步协调。

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The advice that no further adjusting tensile force of tied bar and hanger rod is needed to putted forward based on the finished structure.

针对最终的成桥结构，提出了不再进一步调整吊杆和系杆力的建议。

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Presents the following viewpoints:the radio between the height of the nut for boiler hanger rod and the diameter of screw shall not be less than 1.

主要提出以下观点：锅炉吊杆用螺母的高度与螺纹公称直径之比不宜小于1。

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