词汇	span saw
释义	span saw spænsɔ:框锯
随便看	cavitation model test cavitation noise cavitation nozzle cavitation nuclei cavitation nucleus cavitation number cavitation number of gate slot cavitation number of water flow cavitation observation cavitation of blade cavitation of clearance cavitation of jet blood flow cavitation of pump cavitation parameter cavitation pattern cavitation performance cavitation performance improvement cavitation performance of hydraulic turbine cavitation phenomena cavitation phenomenon cavitation phenomenons cavitation pitting cavitation pocket cavitation point cavitation pressure