main structural member

基本解釋

The connection optimization between circle members and main trusses can also reduce member force based on roof structural integrity.
在保證結構整體性的前提下，對環(huán)向桿件與主桁架連接以及內環(huán)連接形式進行優(yōu)化，也降低了桿件應力。
The main oil-bearing horizons of the No. 2 structural belt of the Nanpu subbasin are sandstone of the First Member of the Paleogene Dongying Formation and Ordovician limestone.
南堡凹陷南堡2號構造帶主要含油層段為古近系東營組東一段砂巖及奧陶系灰?guī)r。
The economic development of the EU member states is imbalanced and the structural funds, the main body of EU's regional development funds has worked well in adjusting regional imbalances.
歐盟各成員國經濟發(fā)展不均衡，而結構基金作為歐盟區(qū)域發(fā)展政策的主體，在協(xié)調區(qū)域發(fā)展方面取得了很好的效果。