For grouting, we recommend the usage of un - sanded grouts.最后上填缝剂, 我们建议使用不含颗粒的填.Research progress on accelerated corrosion test method corrosion protecveness of the post tensioning grouts is reviewed.综述了近期国内外在后张预应力结构灌浆材料...
记住：保持乐观的心态，好事自然会发生。Remember, keep a positive attitude and good things will happen.面对遭征服的悲惨命运，他们保持了乐观的态度。They have maintained their optimism in the face of desolating subjugation.它会让人以过于乐观的态度看待生活。Its influence can make yo...