Although pressure head of gravity action is smaller than hot water recycle pump, it is one important cause of leading to vertical imbalance of double pipe heating system.
相对于热水循环泵的作用压头,尽管重力作用压头很小,但它是引起双管采暖系统垂直失调的重要原因,在设计分户热计量采暖系统时,必须充分重视其不利影响。
The research and application of the metal mold vacuum gravity exactitude foundry method on aluminum alloy;
金属型真空重力精密铸造技术的研究及在铝硅系合金铸造上的应用
Aluminum Droplet Combustion in Normal and Low-gravity Environment;
铝液滴在常重力和失重环境下的燃烧(英文)
Numerical Simulation of Gravity Synsedimentary Fault;
重力同沉积断层的数值模拟
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