测试液面曲线时,液面波峰高度应不小于()。
A. 3mm
B. 5mm
C. 8mm
D. 10mm 本题
Identitycard译为()。
A. 证书
B. 地址卡
C. 户口本
D. 身份证
Five years ago Edward decided to leave the North and____a less oppressive life in HouMon.
A. search
B. explore
C. survey
D. seek
The piston cooling system may employ similar components, except that _____ is used instead
A. a sump tank
B. a feed well
C. a double bottom tank
D. a drain tank