广东
分享至
油液从①口到②口自由流动，②口到①口关闭，保持②口承载。当③口先导压力超过②口负载压力的1/45 时, ②口到①口
平稳打开。
特别声明：以上内容(如有图片或视频亦包括在内)为自媒体平台“网易号”用户上传并发布，本平台仅提供信息存储服务。
Notice: The content above (including the pictures and videos if any) is uploaded and posted by a user of NetEase Hao, which is a social media platform and only provides information storage services.
