本文以雪峰山隧道为工程实例，阐述了一种计算横通道间距的方法，并简述了该方法的应用。
A calculate method of cross passage interval in detail using Xuefengshan Tunnel as an object example is described, and the application of the calculate method is also given out briefly.
通过计算表明，换热器通道间距、空气的迎面风速，以及一次风的干球温度的变化对换热器效率有很大的影响；
The effects of the plate spacing, approach velocity and the primary air temperature on evaporative cooler was predicted theoretically.
埋压、圈占消火栓或者占用消防间距、堵塞消防通道的，或者损坏和擅自挪用、拆除、停用消防设施、器材的；
Those who bury, occupy fire hydrant or occupy fire prevention space, block fire control passageway, or damage and arbitrarily use, dismantle and stop use fire control facilities and devices;
本实验选取航空发动机涡轮叶片中段内部冷却通道为研究对象，对不同肋间距的横肋变截面U型通道的换热特性进行了研究。
The experiment has studied the heat transfer characteristic inside U shaped variable cross-section channels with different rib pitches, The channel is the middle part of a gas turbine blade.
研究发现：气体分散通道叶片角度、下层桨类型、桨叶间距对搅拌槽内宏观流动场有显著的影响。
It is found that the blade Angle of the gas dispersion channel, the type of the lower impeller and the impeller spacing have significant influence on the macro-flow field in the tank.
减小井间距，增加上层滞水和潜水的入流通道，尤其要在潜水含水层底板低洼处设置降水井将低洼处的残留水引走。
Minish the well space and increase transflux routeways upper backwater and driving, especially setup precipitation well and drain residual water at the bottom of diving layer.
两通道直总线连接器。可调整线间距。
2-channel straight bus connector. Line spacing is adjustable.
四通道直总线连接器。可调整线间距。
4-channel straight bus connector. Line spacing is adjustable.
该多通道光通信模块包括：基板；和信号转换元件，其具有以预定的第一间距排列的、用于发射和接收信号光的多个光作用点。
The multichannel optical communication module includes: a board, and a signal-converting element having optical-action points aligned with a first pitch to emit and receive signal light.
该多通道光通信模块包括：基板；和信号转换元件，其具有以预定的第一间距排列的、用于发射和接收信号光的多个光作用点。
The multichannel optical communication module includes: a board, and a signal-converting element having optical-action points aligned with a first pitch to emit and receive signal light.
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