单词	crank head
释义	crank head 曲柄头架,偏心头架
随便看	protection property protection proposal protection proxy protection racket protection rackets Protection,Radiation protection radius protection railing protection range protection range of intellectual rights protection rank protection rate protection rate of vaccination protection ratio protection ratio against lightning impulse protection ratio against switching impulse protection ratio from interference protection reach protection reactor Protection Reader Assembly protection reagent protection reference model Protection regimes protection relay protection relaying