首頁 ﹥ 商品介紹 > sailed4seas on collision avoidance > sailed4seas talk 42 Sanchi collision investigation review part 3 Predict your collision time and where to collide.
sailed4seas talk 42 Sanchi collision investigation review part 3 Predict your collision time and where to collide.
Sanchi collision investigation review part 3 Predict your collision time and where to collide.
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use collision stick to detect the collision spot and time and all.
sailed4seas talk 42 Sanchi collision investigation review part 3 Predict your collision time and where to collide.
sailed4seas talk 42 Sanchi collision investigation review part 3 Predict your collision time and where to collide.