permanent datum
英
美
- 永久基准面
permanent datum的相关资料：
临近单词
permanent dye
permanent
permanent magnetic nanocomposite
permanent fire protection system
permanent magnetic metallic belt
permanent bearing wall structure
permanent difference coefficient
permanent-split capacity motor
Permanent Arms Negotiating Group
permanent implants brachytherapy
permanent-magnet stepper motor
permanent magnet brushless motor
