长途驾驶时，腰部的支撑十分重要。Lumbar support is very important if you're driving a long way.双手置于腰部，吸气。Place your hands on the small of your back and breathe in.他的名牌套装在腰部起了褶皱。His designer suits ruck up round his middle....
Throttles dense solutions of paper mill stock for headbox flow control, etc.用于压头箱流体控制的造纸厂原料的稠密流体节流, 等等.Originally, headboxes were open to the atmosphere ( open headbox ) .通常, 开放式头箱与大气 相通.D . three seconds after injection...