assembly type internal floating roof
Changing flat roof to slope roof
diagonal ridge for hip roof，vertical ridge for gable roof
flat- roof-to- slope-roof
flat-roof-to-slope-roof
flat-roof-to-sloping roof
roof pressure roof weight
roof prism (=roof-angle prism)
assembly-to-assembly failure propagation
general assembly trolley used for general assembly line of high-power diesel
selective compliance assembly robot arm(SCARA) assembly robot
10104 m3 floating roof tank