简答题 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.

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.

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

问答题翻译：Multiphase flow may be categorized into four different flow configurations or flow regimes consisting of bubble flow ,slug flow ,slug mist transition flow and mist flow.

问答题翻译：As is well known gas mixture do not follow the simple gad laws but deviate from them when place under pressure.

问答题翻译：As more and more ethane and propane are extracted form natural gas, the control of the But or heating content of gas becomes mere important.