Eventually he was happy that the sills and doors were a reasonably good fit.门槛和门扇算是贴合良好，他终于开心了。The micro - gabbro phase is indentical with the typical Bulawayan dolerite sills.微辉长岩相与标准的布拉瓦约粒玄岩床相同.Thirty-one cakes, dampen...
The commercial product however, containing silica and silicates, has a positive effect.然而含有硅石和硅酸盐的工业品都有肯定的效果.Frictional behavior is modified by colloidal silica or starch deposition.耐磨损性能可以通过在织物上沉淀胶状硅或淀粉一类物质而得到改善.Benefic...