selfs自交后代, 自交体selfn.自己；本性；自我pron.我自己；你自己；他或她自己adj.始终如一的；同一类型的；性质不变的v.近亲繁殖；自花授粉selfdefense自卫self energyn.内能self ageing自老化selfpurgingn.自清(自动净化)selfblowingadj.自吹的self-cure自愈self-madeadj.自造的；自力更生的；独力奋斗的self-heatn.自动加热self return自动回位Self fabric本布织物

1. The effect of liner material quality on the impact force of grinding media is studied by the electrical measurement method and with a selfmade simulation measurement device.
   利用自制的模拟测定装置，采用电测法研究了衬板材质对磨矿介质冲击力的影响。
2. An experimental method for preparing respirable dust filter samples using a selfmade standard dust generator was introduced.
   介绍了自制的标准呼吸性粉尘发生装置制备含石英呼吸性粉尘滤膜样品的实验方法。