词汇	补偿滑轮
释义	补偿滑轮 compensating sheave
随便看	institutions of a modem university institutions of classification institutions of coercion institutions of disease control institutions of distance education institutions of educational research institutions of exchanging green certificates institutions of external communication institutions of external report institutions of han dynasty institutions of higher institutions of higher art institutions institu-tions institutions abroad Institutions accountancy institutions and enterprises Institutions Change institution school institutions data file institutions defects institution selection institution setup institutions for academic research institutions for early education