casing
美[ˈkesɪŋ] 网络套管；外壳；容位；套
1 . The vacuum flask has a strong casing, which won't crack or chip.
这种热水瓶瓶身坚固，不易断裂破碎。
来自柯林斯例句
2 . This wire has a plastic casing .
这种电线外包塑料.
来自《简明英汉词典》
3 . There is a window fitting in a casing .
有一扇装在框内的窗.
来自《简明英汉词典》
4 . Did one of the solid rocket boosters somehow burn through its casing ?
是否是其中一个助推火箭的外壳因某种原因被烧穿?
来自辞典例句
5 . The casing was driven into the soft muds in the top.
套管被送入软岩粉顶.
来自辞典例句
1.the housing or outer covering of something;
the clock has a walnut case
2.the outermost covering of a pneumatic tire
3.the enclosing frame around a door or window opening;
the casings had rotted away and had to be replaced
casing美音：['kesɪŋ]英音：['keisiŋ] 中文：套管 [casing pipe] 套在另一部件上的管子 断面为环形，用于保护其他设备的各种材质的圆管，多为铁，钢质。 套管是放入裸眼的大直径管，并且需要使用水泥固定。油井设计者须设计套能够承受各种外力，如碰撞，爆裂，拉力等，以及化学侵蚀。 在钻井过程中将套管固入井眼，可以起到稳定井眼的作用。套管作为井眼的重要组成部分有以下几个重要的作用： 1. 防止