用“trawl”造句大全，trawl造句
hydraulictrawlwinchTocatch(fish)withatrawl.Topcompaniestrawlaglobaltalentpool.Becausethethreepartstrawlboard,trawlandtrawlerareanintegrityintrawlfishing,itisnecessarytoworkoutamechanicalcalculationoft...
用“otter trawl”造句大全，otter trawl造句
Inordertounderstandtheeffectdegreesproducedbydifferentfactorsonthefishingcapacityofottertrawl,weemployed12factorsinfactoranalysis.Whenfittedwithanottertrawl,inventedin1892,itenabledfishermentohaulinsi...