self-closing device

self-neutralization是什么意思 self-contemptuously是什么意思 self-unfruitfulness是什么意思 self-lncompatibility是什么意思 Self-transplantation是什么意思 self-departmentalism是什么意思 self-differentiation是什么意思 self-physical-exercise是什么意思 self-nanocrystallization是什么意思 self-stabilizationeffect是什么意思