本文介绍了钏路煤层及相关割理系统的特性,通过试验研究了围压变化和煤层割理对气体渗透性的影响. The influence of confining pressure change and coal cleat on gas permeability is studied by experiments.
The blackberries were a bit too tart on their own, so we stewed them gently with some apples.光黑莓味道有点儿冲，所以我们将它和几个苹果一起用小火炖了炖。When all birds are shot , the bow will be set aside ; when all hares are killed , the hounds will...
What do you mean by anneal?你说的退火是什么意思?The puller also applied growing and vacuum anneal of laser crystal.该设备也适用于多种激光晶体的生长和激光晶体的真空退火.Anneal means making harden steel soft and removing brittleness.退火就是使淬火钢变软并消除其脆性....