trawl造句
hydraulictrawlwinchTocatch(fish)withatrawl.Topcompaniestrawlaglobaltalentpool.Becausethethreepartstrawlboard,trawlandtrawlerareanintegrityintrawlfishing,itisnecessarytoworkoutamechanicalcalculationoft...
相关trawl的文学知识
otter trawl造句
Inordertounderstandtheeffectdegreesproducedbydifferentfactorsonthefishingcapacityofottertrawl,weemployed12factorsinfactoranalysis.Whenfittedwithanottertrawl,inventedin1892,itenabledfishermentohaulinsi...