本地纯净下载
纯净官方版WWW,1816UUU,COM-1816XXX,COM
该特勤站站长施方良介绍,“消防梯防坠落保护装置”由套筒缓冲器、势能缓冲包、止坠器、钢缆绳和制动收卷盒等五个部件组成,若救援中意外发生,止坠器可瞬间锁死钢缆绳,位于消防梯顶部的套筒缓冲器与止坠器同时制动,双重承重约1200公斤,可以有效避免指战员及被困人员发生高空坠落风险。另外,势能缓冲包还可起到保护作用,能极大程度缓解重力势能对消防指战员腰部的冲击,给人身安全上了份“双保险”。
。8.20MB/2024/05/17
直接下载6.67MB/2024/05/17
直接下载4.63MB/2024/05/17
直接下载5.8MB/2024/05/17
直接下载0.87MB/2024/05/17
直接下载1.84MB/2024/05/17
直接下载7.62MB/2024/05/16
直接下载7.83MB/2024/05/16
直接下载7.87MB/2024/05/16
直接下载3.84MB/2024/05/16
直接下载3.23MB/2024/05/16
直接下载8.99MB/2024/05/16
直接下载45.4MB/2024/05/16
直接下载1.3MB/2024/05/16
直接下载90.9MB/2024/05/16
直接下载99.2MB/2024/05/16
直接下载97.8MB/2024/05/16
直接下载25.60MB|查看
93.50MB|查看
70.70MB|查看
90.35MB|查看
56.14MB|查看
98.90MB|查看
40.63MB|查看
81.96MB|查看
52.95MB|查看
14.7MB|查看
84.79MB|查看
WWW,2061006,COM-2061014,COM19.23MB|2024/05/16
WWW,199PJ,COM-199UNI,COM2.67MB|2024/05/16
WWW,22515I,COM-225170,COM68.83MB|2024/05/16
WWW,13236B,COM-13236D,COM80.67MB|2024/05/16
WWW,21321133,COM-21321166,COM78.51MB|2024/05/16
WWW,13875F,COM-138780,COM77.56MB|2024/05/16
WWW,208900,COM-208975,COM58.74MB|2024/05/16
WWW,157346,COM-1574365,COM98.63MB|2024/05/169
WWW,1764H,COM-1764N,COM91.0MB|2024/05/16
WWW,181844,COM-1818443,COM19.94MB|2024/05/16