The fracture surfaces of multiaxial fatigue specimens under proportional and non - proportional multiaxial loadings were observed and analyzed by using a scan electron microscope 摘要利用扫描电镜对多轴比例和非比例载下的疲劳试样的断口面和外表面进行扫描观测分析。
Another is " helical transverse - pulsed preionization " . two comparatively parallel copper foil strips surround helically outside the glass discharge tube , acting as preionization electrodes 在玻璃放电管的外表面螺旋地粘上两条相对平行的金属箔，作为预电离电极。
The sizes of these pores are between the 1 - 200 micron . the capacity depends on the surface area from the bags . bigger systems can clean up to more than 500 m3 h multi bagfilters 液体从滤袋内表面流向外表面，滤除的颗粒杂质被截留在滤袋内，确保更换滤袋时不致污染下游液体。
For protection of exterior and interior surfaces of steel not exposed to direct sunlight in moderately corrosive environment . especially for anticorrosion of the bottom of containers 适用于保护中等腐蚀程度环境中，不接触阳光的钢结构内、外表面,尤其适合集装箱底部防腐之用途。
As a primer in mcb ' s perchloropoly vinyl series for interior , exterior surface of steel in moderately to severely corrosive environment , including submerged surfaces 在中等至严重腐蚀环境下，涂布于钢板的内、外表面(包括长期浸泡海水中的部位) 。作为“名盾”牌高氯化聚乙烯漆系列的底漆。
As a general purpose topcoat on the surfaces of engineering machinery , locomotives and machine tools ; on interior and exterior steel and woodwork in moderately corrosive environment 作为通用面漆，用于工程机械、机车车辆和机器机床表面的涂装，亦可用于中等腐蚀性环境下的钢板或木结构的内、外表面涂布。
5th the ladder coconut palm and the ladder steps for the penetration type connection , destroyed the ladder coconut palm s intensity in the certain degree , simultaneously creates the outside surface not to be smooth 5梯梆与梯踏步为穿透式连接，在一定程度上破坏了梯梆的强度，同时造成外表面的不平整。
