This thesis mainly introduces CGM high - strength non - shrinkage grouting material construction technical features and requirements in P.本文主要介绍了CGM 高强 无收缩灌浆料用于北京理工大学体育馆工程的施工技术特点、技术要求和施工工艺.For grouting, we recommend the ...
JW 180 - type standing Stirring Machine is specialized for HB 3 - type and 2 HB 6 - type Grouting pump.JW180型立式搅拌机,是和HB3、2HB6型灰浆泵配套的多功能搅拌机.Drilling, anchoring and grouting together is a particular form of anchoring - gro...
Defence soaks up forty per cent of the budget.国防耗去40%的预算。Shortly afterwards, cuts in defence spending forced the aerospace industry to retrench.不久之后,国防开支的削减迫使航空航天业紧缩开支。The problem lay in the large amounts spent on defenc...
18世纪是近代病理学和实验外科学发展的开端.The eighteenth century saw the devolopment of modern pathology and experimental surgery.组织病理学变化大部分局限于上皮和血管.Histopathologic changes are limited largely to the epithelium and vasculature.超微结构的研究已成为细胞生...
Anyof about 900 species ( order Chiroptera ) of the only mammals to have evolved true flight.九百多种,属 翼手目.是唯一一类演化出真正飞翔能力的哺乳动物的统称.Among tham , 7 species is belonged to Rodenria, and Carnivora, Chiroptera and Insectivora onl...