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室外家具。可调桌椅。一般安全要求。机械试验和要求。
Outdoor furniture - Adjustable deck-chairs - General safety requirements - Mechanical tests and requirements.
youdao
-
室外家具。可调桌椅。一般安全要求。机械试验和要求。
Outdoor furniture - Adjustable deck-chairs - General safety requirements - Mechanical tests and requirements.
youdao