同义词： smoothbore
同义词： unrifled smoothbore
以上来源于: WordNet
N (of a firearm) having an unrifled bore 滑镗枪
a smoothbore musket
After all smooth bore muskets were very unreliable and inaccurate, especially at the beginning of this period.
毕竟所有滑膛枪在过去都非常不可靠和不精准，特别在那个时代的初期。
The PST slide provides smooth precise linear motion with high accuracy at twice the thrust of a single bore cylinder.
PST的幻灯片提供平滑精确的以两倍于一个单一的缸孔精度高推力直线运动。
In contrast, the inner bore 138 of the load-bearing member 110 is smooth.
相比之下，承载构件110的内部孔口138是平滑的。
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