cork mat
常见例句
- The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;
該深基坑支護結搆漏水空心膨脹螺栓封堵塞 包括脹琯、空心螺栓、螺母、密封膠墊和軟木塞，空心螺栓套在脹琯內且其長 度大於脹琯長度；
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