English translation for "前排气"

initial vacuum
preliminary vacuum

Related Translations:

前排:  front row 短语和例子前排座位 front-row seats; 在主席台的前排就座 be seated in the front row on the rostrum

前排座位:  dress circle

前排中:  centre forwardcentre player

前排右:  rfright fieldright forward

前排左:  left forward

前排气管:  front exhaust pipegutted mufflerpipe-front exhaust

前排席位:  front benches

前排队员:  forwardfront-line player

正厅前排座:  stalls

前排的座位:  orchestra section

Example Sentences:

1.

Pressure test of through out pigging : inspect pipe deformation and construction quality . exhaust before water pressure test , drainage before manufacture , dryness and medium isolation 总通清管试压：检测管线变形、施工质量。水压试验前排气、生产前排水、干燥、介质隔离。

Similar Words：

"前排弹射式多弹挂弹架" English translation, "前排的座位" English translation, "前排的座位（价位高）" English translation, "前排队员" English translation, "前排队员进攻性击球" English translation, "前排气管" English translation, "前排席位" English translation, "前排右" English translation, "前排右2号位队员" English translation, "前排中" English translation