F. P and A. P tank is single bottom structure.

艏，艉尖舱底部为单底结构。

youdao

Steel tugboat, single deck, single bottom, single hull, single engine, single oar and rudder, mid-engine, towed by offing ship.

钢质、单甲板、单底、单体、单机、单桨、单舵、中机型拖轮，近海船舶拖带。

youdao

Or is it a result of a world where the market has failed to graduate beyond a single bottom line?

FORBES: Social Start-Ups Are For Technology, Not Transformation

Oakland went ahead in the third on Cano's throwing error at second, then he tied it with an RBI single in the bottom half.

WSJ: Balfour fans Wells, saving A's 5-4 win over Yanks

Oakland got a run on a throwing error by second baseman Robinson Cano in the third, and Cano tied the score with an RBI single in the bottom half.

WSJ: Pettitte stumbles again as Yanks lose to A's 5-4