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Waterproof joint agent is useful and has great value in construction practice of tunnel lining.
在隧道混凝土衬砌工程中有良好的推广应用前景。
youdao
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Sales agent for one of the joint venture.
销售代理为一体的合资企业。
youdao
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Sales agent for one of the joint venture.
销售代理为一体的合资企业。
youdao