名词
中文翻译：Unknown
同义词：
['back supporter', 'back provider', 'back supplier']
例句：
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1. The backtender is responsible for ensuring the stability of the structure during construction.
背托者负责确保结构施工期间的稳定性。
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2. The company's backtender provided us with a detailed report on the project progress.
公司的背托者为我们提供了关于项目进展的详细报告。
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3.The backtender was able to provide us with the necessary materials and resources to complete the project on time.
背托者能够为我们提供必要的材料和资源，使我们能够在规定时间内完成项目。