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单词
secondary protective barrier
释义
secondary protective barrier
网络
二次防护层;试问次防护屏蔽
网络释义
1.
二次防护层
... safety barrier 【航空】停机拦截网
secondary protective barrier
【核】
二次防护层
sliding barrier 滑动栏木, 滑轮栏木 ...
baike.dangzhi.com
2.
试问次防护屏蔽
...散射辐射所需的屏蔽厚度(ts)为24 cm混凝土,
试问次防护屏蔽
(
secondary protective barrier
)的厚度至少应大於多少公分?
xuelele.com.tw
例句
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更新时间:2026/7/8 19:16:11