hydraulic
/haɪˈdrɔːlɪk/adjective
1
- denoting, relating to, or operated by a liquid moving in a confined space under pressure水（液）压的, 水（液）力的：
hydraulic fluid
水压流
hydraulic lifting gear.
水压起重装置。
2
- of or relating to the science of hydraulics（与）水力学（有关）的。
3
- (of cement) hardening under water（水泥）水下凝固的, 水硬的。
派生词
hydraulically
adverb词源
early 17th cent.: via Latin from Greek hudraulikos, from hudro-'water'+aulos 'pipe'.