1) ultra-large diameter
超大口径
1.
Design of HDPE speciality resin for double wall corrugated pipe with ultra-large diameter;
HDPE超大口径双壁波纹管专用树脂的设计
2) very-extra-large orifice automatic sprinkler
超大口径自动喷头
3) long-distance and super large PCCP water transfer
长距离、超大口径PCCP输水
4) very large aperture
超大孔径
1.
According to Schupmann telescope,a hybrid reflective and diffractive telescope with very large aperture about 25 m was designed,using two binary optical elements as its objective and eyepiece,and the diffuse spot size and MTF function of the telescope could meet requirements.
分别利用两个二元光学器件作为系统物镜和目镜,依据Schupmann望远系统设计了25 m口径超大孔径反衍混合望远系统,弥散斑大小以及MTF函数都能够达到设计要求。
6) extra-long-span
超大跨径
1.
Starting from the major technical indexes and structure of main bridge,the design and general construction scheme of upper structure are given,and the key technology for construction of extra-long-span continuous girder bridge is introduced as well,which provides precious experience for construction of similar bridge in the future.
从204国道蟒蛇河大桥的主要技术指标以及主桥构造着手,给出了主桥上部结构施工设计简况及总体施工方案,同时介绍了超大跨径连续梁桥施工关键技术,为今后同类型桥梁建设提供了宝贵经验。
补充资料：次大口径成品油管道(见大口径原油管道)
次大口径成品油管道(见大口径原油管道)
small big inch products pipeline
次大口径成品油管道比m“，。彬duet、pipeline)见大。径原油管道。
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