单选题
发布日期:2021-03-22
open late and close early
open late and close late
fail to open when the engine is cold
fail to open at normal operating temperature
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对水溶性有机溶剂类可燃液体火灾正确的灭火剂是:
以下排水管道中,必须经严密性试验合格后方可投入使用的是()。
海关依职权扣货的,海关可以对侵犯知识产权的嫌疑货物的侵权事实进行调查,调查的的法定期限为扣留侵权嫌疑货物之日起()个工作日内。
处方药()采用开架自选的方式陈列和销售。
在湿温病的诊断要点中,下列哪一项说法欠妥()
不能在肝脏发生的病变是()
道岔表示电路
染色体纵裂为2条染色单体连于一个着丝粒是在有丝分裂的()。
偏瘫患者穿脱上衣的步骤正确的是?()
在占线板上,股道内车次后标“()”表示有车占用。
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