词汇	big community-originated
释义	big community-originated 大共同体
随便看	differential piston compressor differential-piston engine differential piston gauge differential piston pump differential pistons differential-piston-type motor differential piston-type switch differential pitch Differential planetary gear train differential planet gear differential planet gear train differential planet transmission differential plate differential plot differential plunger pump differential-plunger pump differential pneumatic sensor differential point Differential Polarization Telegraphy differential polarogram differential polarograph differential polarographic titration differential polarography differential police response differential policies