2) bollard
[英]['bɔlɑ:d] [美]['bɑlɚd]
矮柱;护柱
3) bollard
[英]['bɔlɑ:d] [美]['bɑlɚd]
护柱;系船柱
4) protective coal pillar
保护煤柱
1.
Analytical model of protective coal pillar design for vertical section method;
垂直剖面法保护煤柱设计的解析模型
2.
Which is the concentrated expression of prediction model and its parameters,protective coal pillar designed method and its parameters.
在深部开采条件下,结合地表沉陷的特点,总结分析了预测与控制存在的主要问题,表现在其预测模型、参数以及保护煤柱的留设方法和参数等方面。
5) pit prop
支护立柱
1.
Effects of the metallic pit prop on the electromagnetic wave cutoff frequency in the rectangular tunnel;
矩形隧道中的金属支护立柱对电磁波截止频率的影响
2.
The effect of metallic pit prop on transmission characteristics in tunnel is studied.
针对矩形巷道中由于金属支护立柱的存在而带来的分叉不连续问题,提出用分叉波导模型并用模式匹配法和多模传输理论分析传输特性。
3.
Using finite-element method the effects of long objects, such as cage, train and metal pit prop, on electromagnetic wave cutoff frequency is researched systematically in regular tunnels, and it is shown that the long metal objects lower TE wave cutoff frequency and raise TM wave cutoff frequency.
利用有限元方法系统地研究了机车、罐笼、金属支护立柱等长列金属物体对井下规则隧道中电磁波截止频率的影响,可知长列金属物体的存在使TE波模截止频率降低,而使TM波模截止频率升高。
6) chain pillar
护巷煤柱
1.
Controlling of rock burst in chain pillars between hydraulic mining face and drying mining face;
水旱交接处护巷煤柱冲击矿压控制
补充资料：吃黑饭，护漆柱
1.比喻不明事理，黑心眼。黑饭﹑漆柱，色俱黑。
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