newly-laid concrete造句

例句与造句

1. I application : fnj - l is applied to the newly - laid concrete precast concrete , rapid hardening strong concrete , large fluidity concrete , pump concrete and steam maintenance concrete that are used in the traffic , railway , port , industry , civil building and other departments
   Fnj - 7干掺泵送剂适用范围： 1用于远距离运输和泵送砼，复合其他组份可配制泵送剂流化剂。
2. It's difficult to find newly-laid concrete in a sentence. 用newly-laid concrete造句挺难的