diaphragm type pressure gauge
diaphragm gauge
隔膜压力计
膜片压力计
膜片式压力计
薄膜式压力计
膜片真空仪表
膜片式仪器
膜式压力计
膜式表
diaphragm pressure ga(u)ge
diaphragm pressure gage
diaphragm pressure span
double diaphragm pressure cell
absolute pressure gauge
Accurate pressure gauge
acetylene(pressure)gauge
bell-operated pressure gauge
bellows type pressure gauge
blowout-back pressure gauge
bottom hole pressure gauge
bottom-hole pressure gauge
Bourden tube pressure gauge
Bourdon tube pressure gauge