刚塑性阶梯形截面悬臂梁  rigid plastic stepped cantilever beams

阶梯梯度洗脱  stepwise gradient elution

阶梯形  stepped appearance

阶梯形报价  step-wise bidding

阶梯形变幅杆  stepped ultrasonic horn; Stepped ultrasonic transformer

阶梯形波导  stepped waveguide; stepped wavegudie

阶梯形冲头  stepped-punch

阶梯形底脚  stepped footing

阶梯形地基  stepped foundation

阶梯形端铣刀  step mill cutter

阶梯形多层焊  cascade welding

阶梯形隔距片  step gauge

阶梯形刮刀钻头  step type drag bit

阶梯形环件  step ring

阶梯形活塞  stepped piston

阶梯形基础  benched foundation

阶梯形基脚  stepped footing

阶梯形结构  Ladder-type Structure

阶梯形金字塔  la pyramide à degrés