Penumatic rammer
[机] 气动捣杆, 气动舂
🧩 词语组成解析
n. 撞槌, 推弹器\\n[机] 捣砂锤
🗣️ 情景例句
it's a good picture.
那是一张好照片。
Just a short line to say thanks.
只言片语聊表谢意。
It will be a mixed school where not all the children are disabled.
它是一所混合式学校，学校里的儿童并不都是残疾人。