pre pumping passively Q-switching mechanism 增益预泵浦被动调Q
closure pre pumping 截流预抽
Pre-pumping technique 预泵浦技术
Pre-pumping conditions 预泵浦条件
large acreage pre-pumping 大面积预抽
the pre-pumping in tunneling face 掘进预抽
Pre jumping: Prejumping the face of the mogul pumping with heavy contact on the backside. This is a technique to gain speed in the moguls.
提前跳:提前从包脸跳起后重重的落到包背上。这是一种滑猫跳时取得速度的技术。
A newly developed BBH pre - vacuum - pumping carburizing furnace has been introduced in this paper.
介绍了新研制的预抽真空式可控气氛气体渗碳炉。
应用推荐