steam casing 中文意思是什麼
steam casing
解釋
汽套-
Specification for steel castings for steam turbines casing 300mw or above
300mw及以上汽輪機缸體鑄鋼件.技術條件 -
The finishing of the high - and - medium pressure outer casing for the 300mw steam turbine unit
汽輪機組高中壓外缸的精整
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