救生船撞上了那艘正在下沉的船的侧身。The lifeboat crashed against the side of the sinking ship.夜间救生船又一次按指示出动了.The lifeboat was called out again during the night.救生船去救一艘遇险的船只.The lifeboat went out to a ship in distress....
The workmen are still busy concreting the road.工人们仍忙着用混凝土铺路。Anchor concreting is an effective support technique to control surrounding rock deformation and keep tunnel stability.锚杆注浆是一种行之有效的控制围岩变形和保证巷道稳定的支护技术.The workman...