施工人员将不得不另外用木料加固现有的托梁。The builders will have to strengthen the existing joists with additional timber.用于加固托梁的金属板.A triangular metal bracket used to strengthen a joist.分析并介绍了厂房改造工程中的托梁抽柱技术及结构加固的施工技术.Reconstruction project ...
The material is readily prepared by reaction of formaldehyde and hydrazine.这种物质很容易由甲醛和肼反应而得到.Formaldehyde slowly inactivates many viruses.甲醛能慢慢使多种病毒失去活性.Sulfur dioxide and formaldehyde both produce irritation.二氧化硫和甲醛都可产生...
Marriage but defiles, outrages, and corrupts her fulfillment.婚姻只是诋毁 、 侮辱、败坏这种实现.After many years, his plans have come to fulfillment.很多年之后,他的计划实现了。It's a matter of self - fulfillment.这在于能否实现个人抱负.He was willing to fa...