倍投进一退二投注法简介：What was covered under the canvas turned out to be three Maxim heavy machine guns, standing there quietly one by one, with a little oily sheen on the guns. It looked like they were new guns and had just been opened not long ago.
What was covered under the canvas turned out to be three Maxim heavy machine guns, standing there quietly one by one, with a little oily sheen on the guns. It looked like they were new guns and had just been opened not long ago.
