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。
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.
讨论了逻辑函数在与-异或和或-符合代数系统中的RM展开式和CRM展开式。
The RM and CRM expansions in Boolean AND-XOR and OR-COINCIDENCE algebraic system are discussed.
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