某医疗器械不为公众所熟知,但是在医院里却使用很多,有一定知名度,为大部分医生所熟知。此医疗器械可以称为知名商品。()
下列药材以陈久者为佳的是() ["绵茵陈","香橼","橘皮","桂枝"]
工作设计中对工作责任垂直深化的方法是()。 ["工作专业化","工作扩大化","工作丰富化","工作轮换制"]
依据华电集团《动火作业安全管理规定(试行)》,生产现场防火重点部位包括()等。 ["燃料输送皮带系统","制氢站等氢气系统","锅炉燃油及制粉系统","汽轮机油系统"]
()of the following items is not in the charge of Chief Officer in repairing operation. ["hull cleaning","derusting and painting","the maintenance of boiler","docking and undocking"]
何为翻模?