原油三相分离器进液量含水最高可达()。 ["60%","30%","80%","50%"]
影响中长期径流预报的天文地球物理因素有:()。 ["海洋作用","太阳活动","地球自转速度的变化与地极移动","星际引力"]
除外哪种临床表现,均由杜氏利什曼原虫引起(). ["血小板减少","蛋白尿、血尿","腹疼、腹泻","淋巴结肿大","血浆中白蛋白、球蛋白比例倒置"]
冷油出口温度以控制在()℃为基准。 ["40—45","45—50","50—55","55—60"]
经白蛉叮咬吸血,人可能感染哪种寄生原虫()? ["杜氏利什曼原虫","人毛滴虫","溶组织内阿米巴","蓝氏贾第鞭毛虫","阴道毛滴虫"]
劳动定额分几种?