全文
All sliding surfaces have been engineered for dry service and require no scheduled maintenance, but can be easily cleaned if required.

【 在 zhongyuemin (钟跃民|一专多长的爸爸|爸的夏利给你开！) 的大作中提到: 】
: 干维护？
: 免油维护？
: 免维护？
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FROM 219.143.84.*

看样子猜测是免油
【 在 zhongyuemin (钟跃民|一专多长的爸爸|爸的夏利给你开！) 的大作中提到: 】
: 全文
: All sliding surfaces have been engineered for dry service and require no scheduled maintenance, but can be easily cleaned if required.
--
FROM 211.99.222.*