您要查找的是不是：
- B級絕緣B-class insulation
- C級絕緣class C insulation
- H級絕緣浸漬漆class-H insulating impregnating varishs
- F級絕緣膠的研究The Study of the Insulating Binders of Class F
- B級鋼B grade steel
- Ｆ級絕緣材料class F insulating material
- ⅢB級配料Ⅲ B materials
- B級船板鋼class B shipbuilding hull steel
- 級聯(lián)connection
- 校級field rank
- 英語(yǔ)四級English Band 4
- 自動(dòng)重置N.C.系列,連接過(guò)熱保護裝置,兩個(gè)潮氣檢測探頭,預潤滑軸承和F級絕緣。"automatic reset N.C. series connected thermal overload protection, two moisture sensing probes, prelubricated shaft bearings and class F insulation."
- 大學(xué)英語(yǔ)四級College English Band 4
- 一級的firstlevel
- 船級ship' classification
- 三級片third-grade film
- 無(wú)級stepless
- 級配graduation
- “B級”考試passing rate
- 兩級two-stage
