防腐式仪器仪表
corrosion-proof instrument
单缸膜片式气压驱动系统
diaphragm-type pneumatic-actuating system
辅助调节器膜片
secondary regulator diaphragm
工业用膜片式压力表
industrial diaphragm pressure gauge
空气滤清器维护指示器膜片
air cleaner service indicator diaphragm
拉式膜片弹簧
pull-type diaphragm spring
膜片式差压计
diaphragm type differential pressure gauge
膜片式弹性联轴器
diaphratic elastic coupling