It is realized that important means of engineering security and economy can availably control the groundwater of canalreach and ensure stabilization of canal liner structure.
有效控制渠段的地下水位，保证渠道衬砌结构的稳定是实现工程安全和经济的重要手段。
2
Red blood cells in CSF can reach perilymphatic space through the cochlear canal, and widely distributed in scalae tympani.
脑脊液中的红细胞可以通过耳蜗管到达淋巴管间隙，并广泛分布在鼓膜中。
3
Red blood cells in CSF can reach perilymphatic space through the cochlear canal, and widely distribute in scalae tympani and scala vestibuli after lateral ventricle puncture.