【简答题】Dialogue: Asking the Way (P190) Read the dialogue clearly.
【判断题】当有效汽蚀余量大于必需汽蚀余量时发生汽蚀。
【单选题】要保证水泵不汽化,必需的汽蚀余量必须()有效汽蚀余量。
【简答题】Dialogue: Food Clearance (P28) Read the dialogue clearly.
【简答题】什么是水泵的汽蚀余量、必需汽蚀余量、临界汽蚀余量、有效汽蚀余量、允许汽蚀余量?
【简答题】Dialogue: Cosmetic Clearance (P29) Read the dialogue clearly.
【简答题】何谓汽蚀余量、有效汽蚀余量、必需汽蚀余量?
【单选题】要保证水泵不汽化,必需汽蚀余量应()有效汽蚀余量。
【简答题】Dialogue: Security Check (P30) Read the dialogue clearly.
【简答题】Dialogue: Rude Manner (P129) Read the dialogue clearly.