壓艙物又是個什么東西呀?
熱心網友
BallastHeavy material that is placed in the hold of a ship or the gondola of a balloon to enhance stability。壓艙物,壓載:放在船艙或氣球吊籃里以增加穩定性的重物Coarse gravel or crushed rock laid to form a bed for roads or railroads。道碴:用來鋪公路或鐵路路基的粗砂礫或碎石The gravel ingredient of concrete。石碴:組成混凝土的砂料Something that gives stability, especially in character。穩定因素:表明穩定性的因素,尤指在性格方面 。(及物動詞) st。ed, g, stsTo stabilize or provide with ballast。用壓載物來穩定或支撐To fill (a railroad bed) with or as if with ballast。鋪沙石:用或似用沙石鋪(鐵路路基)。
熱心網友
ballast:放在船艙或氣球吊籃里以增加穩定性的重物
熱心網友
一般船上都有壓倉物,否則由于船體過高, 通不過一些橋梁