用“helical”造句大全，helical造句
crossedhelicalgearinghelicalsplinetypeactuatorhelicaltypehydraulicsteeringgearGeardrawingstandards-part1:forspur,helical,doublehelicalandrack.Property,maintenanceandinnovationofnewtypehelical-lobecomp...
用“helical spring”造句大全，helical spring造句
1、abalancethatmeasureweightbythetensiononahelicalspring.2、Wisattachedtoabar,movableverticallyaroundanaxisAandsuspendedbythehelicalspringF.3、Itisconcludedwiththeapplicationmethodofhelicalspringparam...