240火花塞式燃气机
240 spark plug gas engine
PITE3120型柴油机气缸状态测试仪
tester for PITE 3120 model diesel cylinder
闭气机构设计
obturation mechanism design
变频冷气机
Variable speed air-conditioner
薄膜真空脱气机
film type vacuum deaerator
柴油机气缸盖
Diesel engine cylinder head
柴油机气缸套
engine cylinder liner
Diesel engine cylinder liner
柴油主机气动遥控系统
pneumatic remote control system for main diesel engine
掺气机理
mechanism of air bubble entrainment