It is shown that values computed by conventionalformula are largely deviated from the measured data.
试验表明，过去的计算值与实际测得数据相差太大。
2
The conventionalformula estimating the crane capacity is not exact and it is improper to weigh various influence factors separately.
以往的计算公式不够严密，不便于分别考虑各种因素的影响。
3
The conventionalformula for calculating Zinc-Equivalent of element which was criticized in that paper is correct, and the proposed formula is not proper.