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单词
safety bolt
释义
safety bolt
[`sāf·tē ´bōlt]
CIVIL ENGINEERING
A bolt that can be opened from only one side of the door or gate it fastens.
随便看
protomer
Protomonadina
Protomonida
protomylonite
Protomyzostomidae
proton
proton accelerator
proton acid
protonate
proton capture
proton drip-line
proton-electron-proton reaction
protonema
protonephridium
protonic acid
proton-induced x-ray emission
protonium
proton magnetometer
proton microscope
proton moment
proton number
proton-proton chain
proton-proton reaction
proton-proton scattering
proton-recoil counter
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更新时间:2025/5/1 15:23:54