0 a worker who travels to support workers who are on strike at another place of work -- （别处工厂罢工时前去声援的）流动宣传员
The traction engines, equipped with makeshift armour, were almost always blocked "en route" by flying pickets.
Unionised workers used flying pickets to seek support from workers on the lump.
In 1972, organised flying pickets during the miner's strike.
Flying pickets, secondary pickets, whatever you call them, are inherently intended to frighten.
Those were the actions of a flying picket—an attempt to block our legitimate procedure.
Furthermore, it is to be a flying picket.
Flying pickets are, thankfully, a thing of the past.
He accused them of organising violence by flying pickets, whom he described as thugs.
