向下的

The structure and the performance of the single screw extruder of electromagnetism dynamic are presented.

简要介绍了电磁动态单螺杆挤出机的结构性能，分析了螺杆在振动力场作用下的轴向受力状况。

And indeed, several of China's powers fall along this line.

而且的确，中国文明的一些能力是沿着这一条线向下进行的。

Normal fault - a dip-slip fault in which the block above the fault has moved downward relative to the block below.

正断层－断层上面的岩体相对于下面的岩体作向下运动的一种倾滑断层。

Simulated using the ANSYS finite element software the quantity of heat when it transmits from the room to outdoor through the core board material under the winter condition.

采用稻草板与聚苯乙烯泡沫板复合作为复合墙体的保温材料，利用ANSYS有限元软件模拟冬季条件下热量由室内通过该保温材料向室外的传递。

Tumbling flow is appeared in this fishway which produces wave surge and continues to flow downward and may causes serious damage due to its behaviour of periodic tumbling action.

在这种鱼道中出现的滚动流将产生波涌，并继续向下传播，而且它的周期性滚动可能会严重危害鱼道。

To recognize which lead the horse is taking, watch the forefeet (if you are watching the horse from the ground), or glance down at the shoulders if you are mounted.

为了辨认马匹将要朝哪个方向行进，你可以观察马的前肢动作，如果你骑在马上，可以向下瞥一眼马的肩膀。

This is because the front of the uterine cervix is pointing downwards, after vaginal fornix, which lower position in the body, where the concentration of semen easily.

这是因为前位子宫的子宫颈是向下指向阴道后穹窿，它在体内的位置较低，精液容易在那里集中。

This is because the front of the uterine cervix is the downward direction after the vaginal fornix, which lower position in the body, where the concentration of semen easily.

这是因为前位子宫的子宫颈是向下朝向阴道后穹窿，它在体内的位置较低，精液容易在那里集中。

Grand hotel at the foot of the western hill with a four-eyed girl.

有人向警方报告说那个嫌疑犯经常和一个戴眼镜的女孩出没于西山角下的大饭店。

Some reported to the police that the suspect often haunted about the grand hotel at the foot of the western hill with a four-eyed girl.

P e 有人向警方报告说那个嫌疑犯经常和一个戴眼镜的女孩出没于西山角下的大饭店。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。