One-time investment cold storage, service life can be built up to 30 years, and the economic benefit is remarkable.

一次性投入建成冷库，使用寿命可达30年，经济效益十分显著。

youdao

One-time investment cold storage, service life can be built up to 30 years, and the economic benefit is remarkable.

一次性投入建成冷库，使用寿命可达30年，经济效益十分显著。

youdao