If the strength calculation of piping components is to be made, the allowable stresses of the piping materials shall be determined fist.
要对管道元件进行强度计算，首先就要确定管道材料的许用应力。
The components of the wax liquor were determined to be rosin and auxiliary A.
确定了蜡液的成分为松香和助剂A。
The components of the wax liquor were determined to be rosin and auxiliary A.
确定了蜡液的成分为松香和助剂A。
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