Physical property test of machine pick up cotton and compare to manual pick up cotton is done.

对机采棉进行了物理性能测试，并与人工采棉进行了比较。

youdao

Physical property test of machine pick up cotton and compare to manual pick up cotton is done.

对机采棉进行了物理性能测试，并与人工采棉进行了比较。

youdao