一般来说,原材料等大批量的货物运输适合公路运输或水运。
A. 正确
B. 错误
I would be much()if you could take the matter up with Owners or Agents on the damage sustained and also request them to send their representative to us to ascertain the extent of the damage.
A. obliged
B. engaged
C. gained
D. contaminated
粉煤灰砖(JC239-2001)标准适用于以粉煤灰、石灰或水泥为主要原料,掺加适量石膏、外加剂、颜料和集料等,经坯料制备、成型、高压或常温蒸汽养护而制成的实心粉煤灰砖。
A. 正确
B. 错误
当钢筋的应力点超过屈服点以后,拉力不増加而变形却显著增加,将产生较大的残余变形时,以这时的拉力值除以钢筋的截面和所得到的钢筋单位面和所承担的拉力值,就是屈服点C7S。
A. 正确
B. 错误