floating material
美英
- un.漂浮物料
- 网络上巻
floating materialfloating material
上巻
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1
Float measuring method on lifesaving clothing and floating material and special checking and measuring instrument
救生衣及浮体材料的浮力测试方法和专用检测仪器
2
Overall design of reservoir floating material clearing machine
水库用清漂机的总体设计
3
Examination report about vinegar's muddy and floating material
关于成品食醋出现浑浊及漂浮物的检验报告