青年中文composition backing的意思
composition backing中文翻譯：
焊接墊板
相似詞語短語
backing───n.支持；后退；支持者；襯背；v.支持（back的ing形式）
composition───n.作文，作曲，作品；[材]構成；合成物；成分
backing of───在…后面；在…背后
backing singer───支持歌手
incongruous composition───不協調成分
composition calculator───作文計算器
strongest backing───堅強的后盾
backing vocal───支持人聲
composition notebook───作文筆記本
雙語使用場景
The PQR shall include the composition and flow rate of the shielding and inert gas backing, when used.───焊接工藝評定記錄單上應包括封底焊時所用的惰性保護氣體組成成分和流率。
英語使用場景
The application of the soft composition backing provides an important condition to propagate one side welding process for bead forming on both sides.
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