The steel member is chromium plated on those surfaces with which the seal interacts.
钢质零件上与密封唇接触的表面以镀铬.
辞典例句
Ability to use design programs for sizing timber and steel member sizes.
能够为胶料木材和钢构件大小的使用设计方案.
互联网
Steel member and connection design.
钢委员和有关设计.
互联网