阿托品具有抑制腺体分泌、解毒、改善微循环等方面的作用。
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使用救援顶杆应使固定支撑和移动支撑在受力稳定位置,并确保支撑防滑,顶杆不应倾斜。
A. 正确
B. 错误
浅基墩台应进行()。加固方法一般采用局部防护、整体防护、钻孔桩围幕或桩基托换等。
Generally speaking,a ship steaming across the North Pacific from Japan to Seattle is likely to experience().
A. adverse currents for practically the entire crossing
B. favorable currents for practically the entire crossing
C. favorable currents in the summer months and adverse currents in the winter months
D. variable currents having no significant effect on the total steaming time