词汇	刀把梁
释义	刀把梁医lowered draft sill
随便看	offset approximation offset arch offset area offset arm offset a well offset-axes bottom-hole assembly offset-axes gear offset axes gears offset-axes gears offset axis offset-axis condensed cooking range offset balance offset balances offset beam offset beat disturbance offset carrier offset carrier system offset Cassegrain antenna off-set Cassegrain antenna offset-centre offset centre plan position indicator offset-centre plan position indicator offset characteristic offset circle Offset circle of cam mechanism