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【多选题】
下列关于防护的叙述正确的有（）。
A.
路基防护应在适宜的时间施工并及时完成
B.
在设有挡土墙或地下排水设施地段，做防护，再做好挡土墙和排水设施
C.
防护坡体表面平整，有地下水露头时应做引排处理
D.
防护层应和土石坡面密贴结合，背后不留空隙
E.
防护砌体施工应该符合现行《铁路混凝土与砌体工程施工规范》
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depend on their own financial resources
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【单选题】Companies with large scale need a way to reach the savings of the public at large. The same problem, on a smaller scale, faces practically every company trying to develop new products and create new j...
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【单选题】Companies with large scale need a way to reach the savings of the public at large. The same problem, with a smaller scale, faces practically every company trying to develop new products and create new...
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【单选题】Economies of scale refer to cost advantages associated with________ production.
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【判断题】化工企业中,管道的连接方式只有焊接与螺纹连接等二种。
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数据
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【判断题】化工企业中,管道的连接方式只有焊接与螺纹连接两种。
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depend on their own financial resources
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invite the banks to provide long-term finance
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borrow large sums of money from friends and people they know
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rely on the population as a whole for finance
查看完整题目与答案