... Road sign路标 exceed the speed limit 超过限速 Miles per hour 时速 slippery 路面滑 In good mechanical condition 车（状态良好） ...
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I am taking a long road trip and I want to make sure my car is in good mechanical condition.
我正在开车行驶很远的路程，我想确保车子状况良好。
Recently, the CCR of Qilu Petrochemical refinery hydrocracking workshop successful switch to domestically produced high-speed secondary pump mechanical seals, modified to run in good condition.
近日，齐鲁石化炼油厂连续重整车间加氢裂化高速泵成功改用国产二级机械密封，改造后运行状况良好。
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