overhead crane and gantry crane  桥门式起重机

Adjustable high-and-low stroke  高低冲次可调

analysis of low and high runoff  丰枯分析

Axes of high and low temperature  高、低温轴线

circulation of high and low temperature  高低温循环

design high and low water level  设计水位

function of high and low by-pass system  高、低压旁路功能

Gathering with high and low pressures  高低压集输

harbour of big high and low water level difference  大水位差港口

high and low  高低贵贱

high and low altitude jet stream  高低空急流

high and low angles of fire  高低射角

high and low box dam  高低围堰

high and low contrast acuity  高低对比度视力

high and low corrugated structure  高低瓦楞结构

high and low dam combination  高低坝结合

High and Low Electric Distribution  高低压供配电

high and low electromagnetic circle net  高低压电磁环网

High and low flow years of runoff  径流丰、枯年