平衡保护系统
balanced protective system
平交道保护装置
highway crossing protection
屏幕保护程序
screen savers
气体保护
gas shield
气体保护电弧焊
gas shielded arc welding
气体保护金属弧焊
gas shielded metal-arc welding
气体保护金属极电弧焊
gas metal-arc welding
气体保护金属极电弧切割
gas metal arc cutting
气体保护式离心机
gas blanket centrifuge
气体保护钨极电弧焊
gas tungsten arc welding(GTAW)
铅保护
lead protection
欠压保护
undervoltage protection
橇棍电压保护器
crowbar crowbar voltage protector
全文件保护
full file protection
全文件保护功能性
full file protection functionality
欠
lack of; not enough; owe
欠饱和流体
undersaturated fluid
欠补偿
under compensated
欠场同步电动机
permanent-field synchronous motor
欠处理
undercuring