预防钢筋锈蚀,应在有严重的侵蚀性介质的处所,适当减低保护层的厚度
查看答案
抹灰层空鼓的修补,如对空鼓面积不大,而四周边缘连接牢固时可继续观察,暂不处理。对大面积的空鼓、脱皮时应全部铲除修补
A. 对
B. 错
抹灰层裂缝的修补处理相对来讲有一定的难度,除了因结构沉降而引起的裂缝外,尽量开凿、补缝。防止造成原来的一条细裂缝变成二条,这样更影响使用美观(错)
A. 对
B. 错
I got a beautiful bike on ______ birthday. Ilike it very much.
A. fifteenth
B. fifteen
C. my fifteen
D. my fifteenth
Although I failed four times, my father encouraged me to have a _____try.
A. third
B. fourth
C. fifth
D. second
微信支付 
支付宝支付