单选题
发布日期:2021-03-22
capability of causing brittle fractures
highly corrosive action on mild steel
vapor cloud which reacts violently with saltwater
toxicity at atmospheric pressure
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运营线发生运营事故后的报告事项包括哪几项?
所有升降口、大小口洞、楼梯和平台,必须装设不低于()的栏杆。
在放射免疫分析中,试剂盒最小可测量(灵敏度)的评价通常是以零标准结合率来计算的。是以零标准管结合率减去几个标准差所对应的剂量值表示()。
荷兰一位善于应用局部光照明暗对比的画家是()。
治疗热重于湿之黄疸的首选方剂是( )。
通用式机车信号设备,与感应器有关的电缆必须使用()电缆。
防治骨质疏松的药物可以分为()
软通货
准确和无误差的数据是量化风险分析的基本要求。以下哪一项是你应该用来考察对项目风险理解程度的()
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Structural bulkheads on a ship are usually().
()is not a longitudinal structural member.
ospf cost和bandwidth-reference命令同时配置的时候,接口上的cost值以bandwidth-reference配置为准
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