multiple chain condition

• 多重链条件

multiple chain condition的用法和样例：

例句

1. Food, flowers, pharmaceuticals, chemicals and other perishables are potentially high-profit products, but current cold chain conditions in China are dismal.
   食品，花卉，药品，化学品和其他易腐烂的潜在高利润的产品，但目前的冷链条件，中国令人沮丧。