简答题 翻译：Also similar to the pseudo-reduced pressure, the pseudo-reduced temperature of natural gases varies with the specific gravity of the gas.

翻译：Using this result fig. 1 is entered on the bottom li...

问答题翻译：Using this result fig. 1 is entered on the bottom line vertically to the intersection of the chart line and the conversion factors are read in the left hand column.

翻译：No attempt will be made to derive the formula or com...

问答题翻译：No attempt will be made to derive the formula or compare it with other flow formula, as so many excellent papers have been written on this subject.

翻译：This method is based on the difference in propagatio...

问答题翻译：This method is based on the difference in propagation velocity of artificially induced elastic waves through various subsurface strata.