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此文对汽车起重机“软腿”故障原因的看法与本刊２００１年第２期韩佑文的《汽车起重机“软腿”故障排除》一文（下称韩文）的不同，为辨明内泄是否会引发“软腿’现象，欢迎广大读者热情地参加讨论。
This article on the truck crane “soft leg” view of the causes of failure and the article in the second issue of 2001 Han Yuwen “truck crane” soft leg “troubleshooting” (hereinafter referred to as Korean) is different, in order to identify whether the internal leakage will trigger " Soft legs’ phenomenon, welcome readers to participate in the discussion enthusiastically.