释义 |
gas leak短语³⁸²¹² 基本例句 漏气,漏火 In order to understand the phenomenon of gas leak in some diesel engines around the stigma, it is necessary to carry out some experimental research for residual stress in cylinder cap. 为了解内燃机气缸盖气门处的漏气现象,对气缸盖的残余应力进行了实验研究。 cnki PVC flocking materials used by high-frequency hot press molding, gas valve back up, with both gas permeability and gas leak- proof function. 用植绒 PVC料经高频热压成型,倒阀门气嘴,具有双层防漏气渗气功能。3g.sina.com.cn |