Powerful international syndicates, using helicopters, night-vision goggles, tranquilliser darts and silenced heavy-calibre guns have got into the game.
实力雄厚的国际财团将直升飞机、夜视镜、含有镇静剂的飞镖以及大口径消音枪都投入到了捕猎中。
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The results show that by using spray and strong breeze quenching, heavy-calibre wear-resisting bend pipe made of low alloy steel may easily arrive a good quenching effect.