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使舵力增大的因素包括:() Ⅰ伴流Ⅱ排出流Ⅲ失速现象Ⅳ空泡现象
翻译:而务去之,乃徐有得也。
对即将屠宰的动物一般采用()的方法检疫。
下列表述,正确的是( )。
经轨道电路分路不良区段作业,接车时,须人工确认进站列车整列到达,列车尾部停于()。
沈家本认为在适用法律时,也必须贯彻()的原则。
当隧道采用非爆破开挖时,可以先开挖隧道后施工明洞和洞门。
论述提高循环热效率的途径。
按运行工况特点分类,汽车拖拉机发动机的工况属于()。
分光光度法中,()越大,则方法的灵敏度越高。
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