"Drawing Standard HVAC" (GB/T50114-2001) The air conditioning water systems engineering large, complex and prone to water imbalance, so use a good hydraulic balance system with the program.
《暖通空调制图标准》 （GB/T50114-2001） 本工程空调水系统庞大而复杂，且容易产生水力失调，所以选用了水力平衡性较好 的同程式系统。
Non-linear water wave dynamics and its engineering application become one of the frontier research fields drawing great attention recently.
水波动力学理论研究及其在工程中的应用是现今极受重视的前沿研究领域之一。
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