永久性起搏器

摘要肺气体栓塞是置放永久性心律调整器时罕见但危及生命的并发症。

permanent normal trading relations (PNTR)

permanent dipole moment

permanent magnet

permanent compression set

permanent teeth

permanent quadrat method

permanent　teeth　

airglow【地物】;light-of-the-night-sky【地物】;permanent aurora【地物】