1·P For coiled prestressing tendons, after uncoiling a length of wire or strand the maximum bow height shall comply with en 10138 unless given in an appropriate European Technical Approval.
对于卷曲预应力钢，在展开一段钢丝或钢绞线之后，除非在相应的欧洲技术认可有规定，否则其最大船首高度必须符合EN 10138规定。