Filler plugs for contact cavity size 20, on request.
可根据需要提供插针尺寸为20的填充插头。
Product in contact with mouth lip or mouth cavity directly. eg. Toothbrush, drinking straw.
会跟嘴直接接触的产品，例如牙刷，吸管。
The model tests were carried out on RPC under contact explosion, the coefficient of explosion cavity radius of the material is obtained by above experiments and theory study.
并对钢纤维RPC抗接触爆炸性能进行了初步的模型试验研究，根据试验数据及理论研究得到了它的爆炸压缩半径系数。
In a second embodiment, the bag is provided with an outward fold, forming an annular cavity upon contact with the cavity containing the element to be extracted.
在第二个实施例中，袋上设置有向外的折叠，当它与包含有将被吸取物体的腔体接触时，形成环形腔体。
As the increase of the pressure difference, the contact pressure increases, the contact pressure of iso-wall thickness progressive cavity pump is larger than that of common one.
随着压差的增加接触压力相应增加，等壁厚螺杆泵比普通螺杆泵接触压力大；
As the increase of the pressure difference, the contact pressure increases, the contact pressure of iso-wall thickness progressive cavity pump is larger than that of common one.
随着压差的增加接触压力相应增加，等壁厚螺杆泵比普通螺杆泵接触压力大；
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