piercer的翻译，读音
英/ ˈpɪəsə(r) /
美/ ˈpɪrsər /
释义：
n.钻孔器；放卵管；[五金] 锥子；敏锐的眼睛
例句
The H13 steel piercer point alloyed by Re-Al is studied. 对H13钢穿孔顶头进行了稀土铝合金化研究。
The piercing principle of 2-roll cross-rolling piercer and its application range are discussed. 论述了二辊斜轧锥形辊穿孔机的穿孔原理及其应用范围。
The piercing principle of 2 - roll cross - rolling piercer and its application range are discussed. 论述了二辊斜轧锥形辊穿孔机的穿孔原理及其应用范围. 。
A reputable piercer will ask for parental consent before allowing someone under the age of 18 years to have a piercing. 信誉锥子将要求父母同意之前，允许有人在18岁以下的有一个穿孔。