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混凝土在水、油等液体压力作用下,抵抗渗透的能力成为()
安全对策措施审核的重点是安全对策措施是否明确,是否具有()、可操作性和经济合理性。
中餐服务基本技能
安全技术交底的内容是什么?
贴现属于()。
风速报警高限设置一级,报警阈值为风速13.8m/s,相当于()级风。
音频、视频的数字化过程中,量化过程实质上是一个有损压缩编码过程,必然带来信息的损失。
抢救一氧化碳中毒昏迷,首选的给氧方法()
结构设计中有强度标准值、设计值,如何理解《地基规范》中的"地基承载力特征值"?
安全生产管理人员使用最多的辨识危险源的方法是()。
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- Good-bye for now. -()
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She didn’t come to the party last Sunday. _____, she must have made the party mo...
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