查询词典 span loading

end span, tail bay：端跨

顶棚抹灰 ceiling plastering | 端跨 end span, tail bay | 多跨连续梁 multi-span beam

jointless bridges：无伸缩装置桥梁

大跨度梁桥:long-span beam bridges | 无伸缩装置桥梁:jointless bridges | 大跨度桥梁:long-span bridges

unsufficient span of bridge：桥梁孔径不足

桥梁建筑限界|bridge construction clearance, bridge structure gauge | 桥梁孔径不足|unsufficient span of bridge | 桥梁挠度|deflection of bridge span

Let the cat out of the bag：泄漏天机. Life is but a span.人生苦短

Let bygones be bygones.过去的就让它过去吧. | Let the cat out of the bag.泄漏天机. Life is but a span.人生苦短. | Lies can never changes fact.谎言终究是谎言.

topping lift span：千斤索跨度

topping lift span 单杆吊货法 | topping lift span 千斤索跨度 | topping lift 顶牵索

topping lift span：单杆吊货法

topping lift purchase 千斤索绞辘 | topping lift span 单杆吊货法 | topping lift span 千斤索跨度

topping lift block, span block：千斤滑车

14 千斤索 topping lift | 15 千斤滑车 topping lift block, span block | 16 上千斤滑车 head span block

mid-span：中跨

上述规范定义了两种类型的电源设备:端跨(End-span)和中跨(mid span). 端跨是指采用了嵌入式PoE技术的以太网交换. 这些交换通过同一线对来传输数据和电源--传输对1/2和3/6. 中跨装置一般有6到24路通道,通过未用到的线对4/5和7/8来承载电源,

mid-span joint：中跨接头

mid-span 中跨 | mid-span joint 中跨接头 | mild steel barrier 软钢围栏

mid-span moment：跨中弯矩;跨中力矩

mid-span joint 中跨接缝 | mid-span moment 跨中弯矩;跨中力矩 | mid-stream operation 中流作业

steam trap valve：疏水阀

球阀 ball valve | 疏水阀 steam trap valve | 蛇管式换热器 serpentine type heat exchanger

aldermanship：市政官

aldermanry 议员 | aldermanship 市政官 | Alderney 乳牛