后端

The mounting dimensions of gear reducer are fitted to the servo motor that you need for ordering informatin.

减速机后端之尺寸，配合实际安装之伺服马达之尺寸。

In hemicephalous larvae, the head and its appendages are reduced and partially retracted into the thorax.

半头型无足幼虫头部部分退化，后端缩入胸部，如翅目的大蚊及一些寄生性膜翅目幼虫。