阐述了冷库现场喷涂聚氨酯施工作业中对原材料、施工队伍、施工工艺等方面的要求和建议。
The thesis is description of requirements and suggestions for raw material, construction staff, and construction technology during field plating polyurethane plastic foam on job site of cold storage.
教练员是训练实践研究的主要角色，作者为教练员如何进行科研，从条件和能力上提出了一些要求和建议。
Coaches play the leading role in the study of training practice, the author thus provides them some requirements and Suggestions on how to make scientific research from conditions and capabilities.
本文介绍了OIML R 51国际建议对自动检重秤的计量要求和检测方法。
This text introduces the measurement requests and detection methods of automatic checkweigher from OIML R51 international recommendation.
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