combination gauge
真空压力表组合量规
combined suction and force pump
吸压(两用)泵，联合真空压力表
Bourdon and Schaffer pressure vacum gauge
波登-舍费尔压力-真空表
an ionization gauge
电离压力[真空]计
recording vacuum tube voltmeter
记录式真空管电压表
ultra-short wave vacuum tube voltmeter
超短波真空管电压表
vacuum tube multivoltmeter
真空管多量程电压表
plate-detection type vacuum tube voltmeter
板极检波真空管电压表
vacuum assisted hydraulic brake system
真空助力液压制动系统
Knudsen ga(u)ge
努森压力计, 努森真空计, 辐射真空计
"Pressure Rating to 250 PSI, Vacuum to 28"Mercury"
压力等级为250PSI,真空下为28英寸汞柱。
liquid-filled pressure vacuum breaker
充液式压力真空安全装置
Relief angle valve. Pressure or vacuum can be specified.
安全角阀。可指定压力或真空度。
The Research of DCS of VPI and VHD;
真空压力浸漆与干燥DCS系统研究
Pressure and Vacuum Relief Devices of Storage Tank at LNG Receiving Terminal
LNG接收站储罐压力和真空泄放装置
A high vacuum in the fuel tank can cause atmospheric pressure to collapse the tank.
燃油箱内的高真空，会引起大气压力压塌油箱。
vacuum transducer [sensor]
真空[负压] 传感器
Effect analysis of surface hydraulic soil′s reinforcement by vacuum preloading method in Nansha
南沙某区表层吹填土真空预压加固效果分析