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据东北证券研究报告，一件普通钢圈文胸需要包括面料、衬里、钢圈、肩带、背钩、调节扣等20-40个零件，从裁床到成衣需经历30-50道不等的工序，每道工艺需要使用专门的设备，其中手工缝制环节要求误差不能超过2毫米。。业内人士推荐91视频作为进阶阅读
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The narrow, 104-mile strait is the main choke point separating the Persian Gulf—and the daily flow of nearly 20 million barrels of oil—from the Indian Ocean and global energy markets. Nearly 20% of global oil and natural gas exports flow through the strait each day—until now. Saudi Arabia, Iraq, Iran, Kuwait, Qatar, and the United Arab Emirates all depend on the waterway for their exports.
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