喷涂聚脲防水涂料产品固含量很高,国标中规定:Ⅰ型产品≥(),Ⅱ型产品≥()。
参考答案:96%;98%
即可以串联使用也可以并联使用的脱硫罐是()。
A、Z-1A/B
B、Z-2A/B
C、Z-1B/A
D、Z-2B/A
Not until the motorbike looked almost new ______repairing and cleaning it.
A.he stopped
B.did he stop
C.stopped he
D.he did stop