通过电动机经减速驱动沾有适量涂料的补涂轮旋转,在罐身通过时,在焊缝上涂覆适当的涂层的是() ["喷涂","滚涂","粉末喷涂","刷涂"]
1997年6月,我国()号卫星发射成功,成为第三个能同时发射太阳同步轨道和地球同步轨道气象卫星的国家 ["“东方红”1号","“东方红”3号","“风云”1号","“风云”2号"]
LEMANIC82-H凹印机日常点检中,开卷部分的点检项目不包括()。 ["纸卷装置轴承","平行辊","输纸辊","纵横向电机"]
LEMANIC650凹印机进纸压辊跳动至少应小于()。 ["0.01mm","0.02mm","0.03mm","0.04mm"]
单笔权证买卖申报数量不得超过()万份,申报价格最小变动单位为()元人民币。 ["100,0.001","100,0.1","1000,0.001","100,0.01"]
许用应力怎样取定?