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单词
roof jack
释义
roof jack
roof jack
[
′rüf ‚jak
]
(mining engineering)
A screw- or pump-type extension post used as a temporary roof support.
随便看
sslri
ssls
sslsa
sslse
sslsir
sslsm
sslt
ssl/tls
ssltls
sslu
sslug
sslv
ssl vpn
sslvpn
ssl vpn client
sslw
sslwm
sslyby
s-sm
ssm
ssma
ssmac
ssmana
ss-map
ssmar
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更新时间:2026/4/20 9:36:41