... special welding equipment 专业焊接设备 specific requirements for proposal 对询价书的具体要求 standard penetration tests 标准贯入试验 ...
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This letter is a proposal that will help you to ask what you need for the study of the local regulatory and other specific requirements.
此信乃是一提议,将帮助您询问在关于地方常规和特殊市场需求研究中所需要的东西。
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