用四球试验机试验了这两种含硼表面活性剂的油膜强度。

The experiment results showed the two boracic surfactant can be used as emulsifiers and antiwear additive.

youdao

用四球试验机试验了这两种含硼表面活性剂的油膜强度。

The experiment results showed the two boracic surfactant can be used as emulsifiers and antiwear additive.

youdao