...rge maintenance amount and little security measures 维护量较小安全措施少Little maintenance amount and security measures 占地面积Covers an area ..
基于8个网页-相关网页
维护量较小安全措施少
The maintenance volume is small and there are few safety measures
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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