Laboratory tests and performance requirements 实验室试验和性能要求 Mechanical requirements and tests 机械要求和试验 Requirements and tests methods 要求和试验方法 ..
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Outdoor furniture - Adjustable deck-chairs - General safety requirements - Mechanical tests and requirements.
室外家具。可调桌椅。一般安全要求。机械试验和要求。
The photograph and mechanical robustness tests show that the welding joints have no internal defects and accord with the technical requirements.
经拍片和机械强度检验，证明焊接接头无内部缺陷并符合技术要求。
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