This paper states the principles of the vacuum-gasflushing packaging machine. It analyses the design of main structure as well as electric-pneumatic control and the computation of specifications.
本文详述了真空充气包装机的工作原理，对其主要机构和电气控制的设计，以及参数计算进行了深入分析。
2
American leases typically oblige gas firms to keep flushing out gas regardless of market conditions.
美国的租契通常迫使天然气公司不顾市况地大量输送天然气。
3
To avoid shortening seal life, consideration shall be given to evolution of gas and vaporisation in seal flushing streams.