According to its yearly developmental rhythm, the root system is partial renewal type and withering not only absorb roots but also fine branches.
就其年发育节律而言，属局部更替型，其特点为不限于吸收根而是全部细侧根参与更替。
Is the pointer type instrument renewal of ideal products.
是各指针式仪表更新换代的理想产品。
Dual pipe air supply systems were also added in DF 11 locomotives as a main speed up locomotive, and the relevant renewal of this type at depots were conducted.
东风11型机车作为提速的主型机车也加装了双管供风系统，并对在段的该型机车进行了相应的改造。
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