The （） of the lubricant should be sufficient to hold the film together， but it should allow the lubricant to flow easily.
举一反三
- Which of the following is not a component of modern lubricant？ A: Lubricant base oil B: Lubricant additives C: Crude oil
- The way to reduce （） is to build up a film of lubricant between any two surfaces that rub against each other.
- When roughing cast iron, the mainly cooling cutting fluid should be added with sufficient and uniform flow .
- Generally the function of lubrication is to form of a film of lubricant between any two surfaces that have relative （）， so that surfaces dont get touch with each other.
- I suggested that we（）a meeting tonight but her face suggested that no meeting. A: should hold; is held B: hold; is holding C: hold; will be hold D: should hold; would be held