... below grade 不合格 flat grade 平缓坡度 at grade 在同一平面的交道口 ...
基于84个网页-相关网页
... finished grade 已修整坡度 flat grade 平缓坡道 floating grade 滑行坡度 ...
基于12个网页-相关网页
flat grade mine 缓倾斜层矿山
flat-grade deposit 缓薄矿床
flat-grade thin orebody 缓倾斜薄矿体
High-grade flat latex paint 高级亚光乳胶漆
flat approaching grade 平坡进道口
At grade eight there has been little gain in math, and it's been flat in reading for a long time.
NPR: Mixed Report Card for U.S. Schools
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