The outer-body diameter of the plunger is cut just under production tubing drift to provide the maximum seal while the plunger moves fr eely.
当柱塞自由移动时，柱塞的外体直径刚好能够满足生产油管内径密封需求，提供最大的密封保障。
Actually, if they get really pissed, the ChiComs will just attempt to hack FR, just like they are continually doing everywhere else in the us.
事实上，如果他们被我们激怒了，中国分子会企图黑掉FR，就像他们一直对美国所做的那样。
You go and pick up a fr IEnd who just got dumped. He looks terrible. Do you say.
你去接一个刚被甩了的朋友。他看起来很憔悴。你会说。
You go and pick up a fr IEnd who just got dumped. He looks terrible. Do you say.
你去接一个刚被甩了的朋友。他看起来很憔悴。你会说。
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