closed job shop内部加工车间
After the closed-shop在闭店后
closed job-shop封闭车间;闭锁加工车间
In the closed shop在闭店后
N-COUNT（可数名词） If a factory, shop, or other business is a closed shop, the employees must be members of a particular trade union. 只雇佣特定工会会员的工厂、商店或企业 [商业]
...the trade union which they are required to join under the closed shop agreement.
…要求他们依照特定雇佣制而加入的工会。