ground grading meaning in English
平整地面
Examples
- The wall footing shall ward upward by 100 to 150 mm lower than the ground grade
角处要上翘100 - 150mm低于地脚线 - Unique design double a saddle seat sliding track , with abrasion - proof teflon lining , low friction coefficient , using heat - treatment grinding grade guide screw , handy to operate and abrasion - proof , ensuring its accuracy and durability
独特设计双a型之鞍座滑动，配以耐磨之铁氟龙内衬，磨擦系数低，采用热处理研磨级之导螺杆，操作轻巧且耐磨，确保精度耐久性。