Vocal music teachers should set higher demands on their specialty ability in order to face intense competition in 21st century.
面对21世纪的激烈竞争，高师声乐教师也应对自身的专业能力提出更高的要求。
With the application of the welding process in the industry, in order to strengthen their competition, manufacturers scream for the less cost and higher efficiency welding process.
随着焊接技术在工业生产中的广泛应用，各生产厂家为了增强市场竞争力，越来越强烈要求降低成本，提高焊接生产效率。
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