high nut高螺母highadj.高的；高尚的；高级的；高度的；全盛的adv.高；奢侈地；音调高n.高水平；高气压；（麻醉品带来的）快感high-pressure engine高压发动机high-yielding strain高产品系high-rate deposition高速生长high permeation of gas高透气性high rate transmission高速传送high-pressure column高压柱High pressure coal gas高压焦炉煤气high speed performance高速性能high project education高等工程教育high saline wastewater高含盐废水