是的。四至五周。当然是指自上海驶离的装船日期。
Yes, four or five weeks. That's the shipping date from Shanghai, of course.
惯性相互作用主要指地基质量的惯性对拱坝自振特性与坝体反应的影响。
The influence of the foundation mass on them is referred to as the inertial interaction.
惯性相互作用主要指地基质量的惯性对拱坝自振特性与坝体反应的影响。
The influence of the foundation mass on them is referred to as the inertial interaction.
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