通风孔
SAFE MODE ANALYSIS OF THE VENTILATION OF INTENSIVE WELLHEAD SLOT ON THE OFFSHORE ARTIFICIAL ISLAND A contract is concluded by the exchange of an offer and an acceptance.
滩浅海人工岛集约型井口槽通风安全模式分析当事人订立合同,采取要约、承诺方式。
The Calculation of Slot Region Temperature Field of Turbogenerator Rotor with Subslot Ventilation
汽轮发电机副槽通风转子槽部温度场计算
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