off-grade glass 不合格玻璃
one-way grade glass 单向玻璃
Spacer Grade Glass 隔级玻璃
Glass filled Grade 玻璃填充级
medium-grade glass fiber 中级玻璃纤维
Glass, stainless steel and some plastics are food grade.
玻璃，不锈钢和一些塑料就属于食品级材料。
LJ recalls a bittersweet memory from fifth grade, when Lincoln came home to find his glass coffee table broken.
LJ想起一段5年级时亦悲亦喜的经历，当Lincoln回家发现玻璃茶几打碎后，LJ不承认是他打破的。
The master bath has nearly new high grade granite counters with dual sinks and a glass block Roman shower.
主浴室有近新优质花岗岩柜台双水槽和一个玻璃块罗马淋浴。
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