... 代用材 substitute wood 可用材 utility grade; wood of ripe age 矿用材 mine timber; mining timber ...
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utility grade of beef 加工用 ; 加工用牛肉
Utility Grade AC Power 实用级交流电源
two grade utility 两级利用
low-grade utility 低温热利用
The Christina school district attracted similar controversy in 2007 when it expelled a seventh-grade girl who had used a utility knife to cut Windows out of a paper house for a class project.
2007年，克里斯汀娜学区同样惹来了争议。他们开除了一个7年级女生，该女生为完成课堂作业，用一把多用刀给一座纸房子开窗户。
The utility model discloses a nuclear-grade high-pressure centrifugal fan used for a large-scale nuclear power plant.
本实用新型公开了一种用于大型核电站的核级高压离心风机。
The utility model can be used as high-grade craftwork printing.
本实用新型可用作高档的工艺画。
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