steel casing meaning in Chinese

钢套管
钢制机匣
铁壳

Pier 3 - extension of steel casing for bored piles construction
3号桥墩-建造钻桩中的钢套接驳工序
Zero degree new men chrono watch , all stainless steel case
X197全新正牌全钢华纳米奇老鼠手表,只售hk 138
Application of c40 high plasticity self compaction concrete in steel cased concrete
40高保塑自密实混凝土的应用
Jm678aluminum steel case
Jm678铝钢箱
Plate - steel case
钢板机壳

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