Fixed Ship-unloader for Moving Ship
ship with twin propellers and twin rudders
support moving with pole-lowering
a tube with varying cross section
AC adjustable-speed system with varying frequency
adjustable speed with variable frequency
adjusting speed with frequency modulating technique
beam with varying section
box girder with varying width
Continental Distance Model with Varying Weight
continuous beam with varying section depth
continuous girder with varying section
Frequency of Field Varying with Time
identification model with varying weight
Low speed with heavy duty