2) obligate order
预留定单
3) reservation
[英][,rezə'veɪʃn] [美]['rɛzɚ'veʃən]
保留;预定
4) subject to change without prior notice
预留变量
5) preformed settlement
预留沉降量
1.
With the technical development of the railway,the high stability of line and subgrade are required to support high running speed,hence accurately controlling and estimating the preformed settlement of the embankment are very important.
因此就必须在施工时预留沉降量。
6) tension allowance
张拉预留量
补充资料：定量
①测定物质所含各种成分的数量：～分析。②规定数量：～供应ㄧ定质～。③规定的数量：超出～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条