| 释义 |
extra-fine 英'ekstrəf'aɪn美'ekstrəf'aɪn COCA¹⁸⁵²⁵⁰BNC²³⁶²¹³⁺¹
基本例句
adj.超级的³³;极优的³³;高级优质的³⁴
The preparations of solidified extra-fine sand coarse aggregates and the concrete made by the solidified aggregates were studied.
对以长江粉细砂制造固结集料及其配制的混凝土进行了研究。 cnki |