In addition to the dirty of volatile solvents, to airproof.不兴不净剂洋的溶剂难挥发, 给夺目密封.It has good endurance against grinding, aging and good airproof performance.具有良好的耐磨性 、 耐老化性和气密性.Water - cool homogenizing airproof structure ...
For some buildings a vertical section is more informative than a plan.有些建筑的立面图能比平面图提供更多的信息。The gadget can be attached to any vertical surface.这小玩意儿可以粘在任何垂直表面上。The gadget can be attached to any vertical or near vertical s...
偶氮杂环丙烷是一类重要的 、 环内张力颇大的化合物.The diazirines are interesting , highly strained ring systems.当微量变形能使加载条件发生颇大改变时,就会产生颇大的差异.Appreciable differences may occur, however, when small deformations considerably alter the loading cond...