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单词
graptoloid
释义
graptoloid
网络
笔石类
网络释义
1.
笔石类
...H. David Sheets,并通过研究发现,正
笔石类
(
graptoloid
)在4.45亿年前的大灭绝事件后却仍处于停滞不前的状态,甚至到其 …
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例句
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ballast pumping arrangement
ballast pumping control
ballast pumping system
ballast pump room
ballast pump status-indicating system
ballast rake
ballast raking equipment
ballast ramming
ballast ratio
ballast regulator
ballast release mechanism
ballast remote control
ballast remote control system
ballast renewal
ballast replacement
ballast resistance
ballast resistor
ballast resistor
ballast resistors
ballast rheostat
ballast rod
ballast-roller
ballast run
ballast
ballast sailing
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更新时间:2026/5/9 1:55:37