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组焊前，在接头根部之间预留一定的空隙(根部间隙)是为了保证接头根部焊透。()

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By saying "So are the attendant health risks" (Para. 3), the author means _____.

America suffers health risks as well as the overweight problem
B. health risks resulted from overweight are serious too
C. overweight is classified as one of the health problems
D. people have also pay much attention to the possible health risks

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组焊前，在接头根部之间预留一定的空隙(根部间隙)是为了保证接头根部焊透。()

无论何人，只要违反了生产管理制度，造成了生产安全事故，就必须坚决予以追究，绝不姑息迁就，不了了之。()

现场发现有触电事故，应迅速使触电者脱离电源并立即进行现场抢救。()

压力焊是焊接时向金属施加一定的压力而完成的焊接方法。()

By saying "So are the attendant health risks" (Para. 3), the author means _____.