Inside this you can use the left an right buttons to get forward or backwards.
这里面你可以使用左一右按钮来获得前进或后退。
2
The two small flaps will fit inside the center slot, on the forward rectangular panel, to hold the cooker shape (see photo on the right).
两个小皮瓣适合进入中心的插槽，在前进矩形板，举行炊具形状（见右侧照片）在此设置。
3
From inside the right ventricle, the patch is pushed forward again, releasing the second disc, which covers the rupture on the right side of the heart.