以下有关氨基酸的描述正确的有() ["所有的氨基酸都具有手性","只有氨基酸才能与茚三酮起反应","蛋白质分子中不可能有D-氨基酸","一种氨基酸在pH=pI的溶液中水溶性最低"]
皮毛加工、屠宰、畜牧兽医人员应接种() ["伤寒、霍乱疫苗","炭疽疫苗","水痘疫苗","乙肝疫苗"]
使用IMIB测量压力正确的说法是() ["最大量程2000巴量","允许双通道测量压力","压力探头读数回零","使用前需要用清洁剂清洗探头内部"]
When loading bulk liquid cargo,what is the FIRST action you should take if a cargo valve jammed open?() ["Trip the pump relief valve","Order the dock man to shut down","Call the owner,operator,or terminal supervisor","Run out the vessel's or terminal's fire hose"]
冷轧卷板的盘点方式是() ["抄牌","理论换算","估堆","打尺"]
微型计算机控制系统的软件有什么作用?