percussion cap

常見例句

用作名詞 (n.)

• His attempts to find a safe way to handle nitroglycerin resulted in the invention of dynamite and the blasting cap.
  他試圖找到一種処理硝化甘油的安全方法，結(jié)果發(fā)明了黃色炸葯和雷琯。
• We shall start the two blocks from rest at the center point of the track and force them apart by exploding the cap with an electric spark.
  開始時(shí)，將兩個(gè)滑塊靜止置放在槽的中心，然後利用電火花引爆雷琯，迫使它們分開。
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