When we inhale, our lungs fill with air, which press the diaphragm downward.
当我们吸气时，我们的肺会充满空气，空气会把隔膜往下压。
What exactly causes them? When we inhale, our lungs fill with air, which press the diaphragm downward.
究竟什么引起岔气?当我们吸气时，我们的肺会充满空气，空气会把隔膜往下压。
Next, take the head gently in two hands and press it very slightly downward (do not pull), asking the mother to push at the same time, to deliver the front shoulder.
接下来，用两只手温柔的接住宝宝的头部，略微往下降一点(不要拉扯)，同时要求妈妈用力推出宝宝，产出前肩部。
Next, take the head gently in two hands and press it very slightly downward (do not pull), pushing the baby out at the same time, to deliver the front shoulder.
接下来，用两只手温柔的接住宝宝的头部，略微往下降一点(不要拉扯)，同时用力推出宝宝，产出前肩部。
Firmly press downward to seat seal on flange.
稳固地向下压将座椅密封压入凸缘中。
The upper press plate goes downward with two steps control can not only be safety for operator but also ensure better molding results.
整型上压刀采二段式行进，操作安全，鞋面中心定位准确。
The upper press plate goes downward with two steps control can not only be safety for operator but also ensure better molding results.
整型上压刀采二段式行进，操作安全，鞋面中心定位准确。
应用推荐