| 底刀 dead knife | | 底刀刃 counteredge | | 底刀盘 bedplate | | 底卸式 bottom-dump | | 底卸式吊桶 bottom discharge bucket | | 底卸式矿车 drop-bottom car | | 底卸式箕斗 bottom-dump skip | | 底卸车 bottom-dump car | | 底吹 bottom blowing | | 底吹机 sub-aerator | | 底吹法 subaeration | | 底吹转炉 bottom-blown converter | | 底图 base map | | 底图纸 detail paper | | 底基 mudsill | | 底基层 underlayment | | 底基面 sole plane | | 底处 what place | | 底子 bottom | | 底子漆 body coat | | 底子薄 poor foundation | | 底层 ground floor | | 底层抽屉 bottom drawer | | 底座 lampstand | | 底座制造工 footmaker |
| | 底座圈 base ring | | 底座基础 footing foundation | | 底座对径 base diameter | | 底座引线 stem lead | | 底座板 bedplate | | 底座螺钉 base screw | | 底座轴 datum axle | | 底座配合面 seat | | 底座面 seating plane | | 底弦 bottom chord | | 底弹簧 bottom spring | | 底形 bed form | | 底形叠加 bed form superimposition | | 底形糙度 bed form roughness | | 底彩 undertone | | 底我底书 my book | | 底数 the truth or root of a matte... | | 底木 sill | | 底本 a copy for the record or for... | | 底板 baseboard | | 底架 chassis | | 底架悬挂电动机 frame suspended motor | | 底架拉条 frame brace | | 底架横梁 body transom | | 底架润滑剂 chassis lubricant |
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