"Are you kidding?" the leader asked tearfully.
Sun Aiguo wondered: "What's the matter? Last time I reported to you to try the marine engine. Do you know what we did?"
"What?" The leaders felt bad. Is Sun Aiguo holding out any big moves.
"Hey hey, aluminum alloy engine, and four cylinder high-speed engine. With several engines, the boat can run at 54 knots." Sun Aiguo reported that because Liu Hai had almost finished it, he went there every day recently.
"Do you know how powerful the aluminum alloy engine is