题目内容
建筑设备安装工程管道现场除锈通常采用（ ）。
查看答案
搜索结果不匹配？点我反馈
更多问题
保冷结构由内至外,按功能和层次由防锈层、保温层、防潮层、保护层、防腐蚀及识别层组成。()
Each of the following sentences needs either a comma or a semicolon. Put in the necessary punctuation.Many companies make sugar-free soft drinks, which are flavored by synthetic chemicals the drinks usually contain only one or two calories per serving.
The crab grass was flourishing but the rest of the lawn, unfortunately, was dying.
The hill was covered with wild flowers it was a beautiful sight.
微信支付 
支付宝支付