他的嘴微微张开,似乎是要开始尖叫.His mouth was a little open, as if he'd started to scream.她张开双臂，紧紧地拥抱了我。She opened her arms and gave me a big hug.她突然张开手臂搂住我的脖子，然后吻了我一下。She flung her arms around my neck and kissed me....
As cement retarder , the effect of desulphurize ashfuel oil ( DADFO ) was studied here.研究了石油焦脱 硫 灰渣用作水泥缓凝剂对水泥性能的影响.As a raw gas for carburizing, it is necessary to desulphurize in the gas sufficiently.所以作为渗碳用原料气必须对天然气充分脱...