防护围栏
- 网络protective fence; barrier guard
![防护围栏](../cache/393512.jpg)
防护围栏
protective fence
cover中文 ... protective construction 防护工程 protective fence 防护围栏... protection ring 保护环 ...
barrier guard
英汉日模具用语集——b ... barrel tumbling 滚筒打光 barrier guard 防护围栏 Basal area 截面积 ...
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