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同一垂直高差下，竖井长度约为斜井长度的？

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"}}],null]}]}],["$","li","2087728490861301760",{"children":["$","div",null,{"className":"flex min-w-0 items-start gap-2.5 rounded-xl border px-3 py-2.5 text-sm leading-relaxed sm:gap-3 sm:px-3.5 sm:py-3 sm:text-base border-success bg-success-soft text-slate-800","children":[["$","span",null,{"className":"inline-flex h-7 w-7 shrink-0 items-center justify-center rounded-full border text-xs font-semibold tabular-nums sm:h-8 sm:w-8 sm:text-sm border-success bg-success text-white","aria-hidden":"true","children":"B"}],["$","div",null,{"className":"rich-html min-w-0 max-w-full break-words text-base leading-relaxed text-slate-800 min-w-0 flex-1 pt-0.5 !text-inherit !leading-[inherit] [&_p]:my-0","dangerouslySetInnerHTML":{"__html":"

1/4

"}}],["$","span",null,{"className":"shrink-0 pt-0.5 text-xs font-medium text-success sm:text-sm","children":"正确"}]]}]}],["$","li","2087728493046534144",{"children":["$","div",null,{"className":"flex min-w-0 items-start gap-2.5 rounded-xl border px-3 py-2.5 text-sm leading-relaxed sm:gap-3 sm:px-3.5 sm:py-3 sm:text-base border-border bg-surface text-slate-700","children":["$L1b","$L1c",null]}]}],"$L1d"]}],"$L1e"]}],"$L1f"]}]

同一垂直高差下，竖井长度约为斜井长度的？

参考答案

参考解析