Compression behaviours and subsequent heat treatment of China fir (Cunninghamia lanceolata) under water saturated condition and air dried condition are compared and discussed.Heat treatments were carried out in a common oven and in a vacuum oven,with temperature of 180℃ and time of 6h,10h,15h and 25h,respectively.The results are: ①The properties and recovery values of set (R s) of water saturated samples are superior to those of air dried samples;②There exists an evident linear relationship between val...