huba 692pre ure difference tra mitterpressure difference transmitter压: press; push down; hold down; ...差: send on an errand; dispatch变送器: transmitter电动压差变送器: electric-differential pressare transducer气动压差变送器: eumatic differential pre ure tra ducer; pneumatic differential pressure transducer下载手机词典可随时随地查词查翻译
