no longer pin
不再别针
以上为机器翻译结果，长、整句建议使用 人工翻译 。
"It is possible that with an old, not properly maintained fifth wheel that the device can get loose, the sides can wear away, the hole that the pin fits into is no longer snug and rigid, " Scott said.
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应用推荐
模块上移
模块下移
不移动