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- 冬季施工砼保護層最小厚度Minimum thickness of concrete protective layer in construction in winter
- 保護to defend
- 連端硫化金屬法蘭,外有石棉保護層。With sulfuration metal flange and asbestos covering layer.
- 層layer
- 被保護層突出危險性評價(jià)技術(shù)的研究Study on Assessment Technique for Outburst Hazard of Protected Seam
- 保護模式protected mode
- 一層layer
- 不留保護層全斷面預裂爆破在壩基開(kāi)挖中的運用Application of Full Face Blasting Without Leaving Protective Covering in the Construction of Dam Foundation
- 保護的lee
- 多層multilayer
- 環(huán)境保護protect the environment
- 單層monolayer
- 三層three-layer
- 保護措施safeguard
- 第一層first floor
- 保護裝置protector
- 內層lining
- 繼電保護relay protection
- 薄層folium
- 保護者protector
