避病性（avoidance）

1、避病性

避病性

2、To avoid scavenge fires occurring the

To avoid scavenge fires occurring the engine timing and equipment maintenance （）.Ashould be correctly carried outBshould correctly be taken placeCshould carded with careDmust to carry out with great care

3、空间避病

空间避病

4、To avoid impingement attack, care must

To avoid impingement attack, care must be taken with the water （） through the tubes of the heat exchangers.AtemperatureBvelocityCdensityDviscosity

5、植物的避病

植物的避病

6、To avoid scavenge fires occurring the

To avoid scavenge fires occurring the engine timing and equipment maintenance （）.Ashould be correctly carried outBshould correctly be taken placeCshould carried with careDmust to carry out with great care