立罚并不存在有罪推定问题，更无从论及对无罪推定原则的背反。
This crime is not the presumption of crime, and doesn't break the principle of presumption of innocence.
围绕热辐射、噪声和扩散详述了天然气放空立管的基本设计原则和方法。
Centred on thermal radiation, noise and diffusion, the basic design principle and method of gas blowdown sound pipe are described in derail.
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