span bearing 张索支索座 ; 千斤眼板座
large-span load-bearing girder 大跨度承重梁
intermediate bearing number and span 中间轴承数量及位置
The data indicates that the machining accuracy will be promoted when the span of spindle and the rigidity of bearing or damping coefficient are increased.
研究表明，要降低振动对加工精度的影响，应当适当加大主轴跨距，同时增大轴承支承刚度和系统阻尼系数。
Composite grating is a product made of the grating with the span bearing capacity and checked plate with the sealed surface.
复合钢格板是由具有一定横跨承载能力的钢格板及密封表面的花纹板构成一种产品。
The test results show that the externally prestress technology can be applied in strengthening concrete simple span beam to enhance its bearing capacity and ductility.
试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
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