- 相关词组
- texture of coal seam煤层结构
- tank seam testing油罐缝试验
- soldered seam软钎焊缝
- step-type seam welder步进式缝焊机
- steep seam急[倾]斜煤层
- upper seam上部矿层
- tube seam管接缝
- step-by-step seam welding步进缝焊
- steep coal seam急倾斜矿层
- tight seam紧密焊缝
- tight strong seam强致密焊缝
- tight-strong seam密固接缝
- strengthening of welded seam焊缝补强
- top-stitched seam明缝
- underlying seam下部煤层
- a burst seam破绽
- universal seam welder万能缝焊机;纵横两用缝焊机
- steeply pitching seam急倾斜矿层
- rolling seam滚轧裂纹(由于轧制引起金属表面的细小裂纹)
- unworkable coal seam不可采煤层
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- weave v.编,织;编造;迂回行进;n.编法,织法;
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