为了避免生产过剩，上游工序不是将成品零部件“推”给下游工序，反而是下游工序主动地从上游工序中拉出(拿)零部件。
So to prevent overproduction, the upstream doesn't "push" finished parts to the downstream, but instead it is the downstream that actively pulls (fetches) the parts from the upstream.
这些公司促进了零部件的运动和从供应商到制造商的材料，成品从制造商向分销商和零售商。
These firms facilitate the movement of parts and materials from suppliers to manufacturers, and finished products from manufacturers to distributors and retailers.
现在中国从这些国家和地区进口零部件，组装为成品后出口给美国。
China now imports components from these countries, assembles them and exports the finished goods to America.
应用推荐