free-running high frequency interference

Back-style high jump

high jump

high jump stand

high-high level float switch

high-high sump level

standing high jump

stay rod high jump

composite high school; comprehensive high school; cosmopolitan high school

Composite high school;Comprehensive high school;Cosmopolitan high school

Comprehensive high school;Composite high school;Cosmopolitan high school

Cosmopolitan high school; Composite high school;Comprehensive high school

High carbon and high molybdenum high speed steel

High Carbon High Vanadium High Speed Steel

high vanadium and high cobalt high speed steel

self running (or free running) multivibrator

abnormal high temperatures and high pressures packet

artificial static high temperature and high pressure

BHTPSD(bottoms from high-temperature and high-pressure separator distillates)