The basic principle of double entry bookkeeping is that every transaction has a twofold effect.
复式记账法的基本原理是每笔交易都有借贷双方。
Thee basic principle of double entry bookkeeping is that every transaction has a twofold effect.
复式记账法的基本原理是每笔交易都有借贷双方。
Its basic gear tooth profile is double circular arc spiral bevel gear tooth profile.
双圆弧弧齿锥齿轮是将点啮合制圆弧齿轮传动形式运用到锥齿轮上的成功例子。
Its basic gear tooth profile is double circular arc spiral bevel gear tooth profile.
双圆弧弧齿锥齿轮是将点啮合制圆弧齿轮传动形式运用到锥齿轮上的成功例子。
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