Always be careful with shell expansion and variable names.
始终要谨慎使用Shell扩展和变量名称。
It's a good idea to get into the habit of using single quotes to surround your sed commands, so that shell expansion is disabled.
养成使用单引号来括起sed命令的习惯是个好注意，这样可以禁用shell扩展。
A command between back ticks runs as the shell interprets the command line, and the output of the command is used in the final expansion.
在Shell对命令行进行解释时，将执行反勾号之间的命令，并在最终的扩展结果中使用该命令的输出。
To set an alias, use the built-in shell alias statement, specifying the required expansion in quotes.
要设置别名，请使用内置的外壳alias语句，并在引号中指定所需的展开形式。
The model includes sub models for key components, such as non economized compressor, economized compressor, economizer, expansion valve, shell and tube condenser, and flooded evaporator.
模型由一系列部件模型组成，包括压缩机、经济器、膨胀阀、壳管式冷凝器以及满液式蒸发器。
Shell and tube heat exchanger, screw compressor, and electronic expansion valves are detailed selectioned and designed, and a sewage-source heat pump system is designed for a building of Harbin.
对壳管式换热器、螺杆压缩机、电子膨胀阀进行详细的选型和设计计算，对哈尔滨市某办公楼设计出一套污水源热泵系统。
The model consists of component models including the compressor, shell and tube condenser, expansion valve and flooded evaporator.
模型由压缩机、壳管式冷凝器、膨胀阀以及满液式蒸发器等一系列部件模型组成。
Internal expansion joint shall be adopted to single tube side float head heat exchanger for avoiding from large temperature difference stress, when design pressure on shell side is larger.
设计单管程浮头式换热器时，为避免较大的温差应力，在壳程设计压力较大的状况下，常采用内置膨胀节的形式。
Under the different expansion gap , the thermal-stress in shell of BOF is analyzed with finite element method , which can provide reference for installation of bricks.
以有限元为手段，分析了转炉耐火材料在砌筑时设置不同的膨胀间隙对炉体热应力的影响。以便为转炉砌炉时提供依据。
Now appears a sort of plastic expansion shell bolt, which has strong expansion anchor-hold.
为了解决这一问题，出现了一种具有强胀锚力的塑料胀壳式锚杆。
The products range covers high efficiency shell heat exchanger, titanium tube heat exchanger, nickel copper heat exchanger, tube in shell heat exchangers , expansion tanks and so on.
鑫雷产品涵盖高效盘管壳式换热器、钛管换热器、镍铜管换热器、套管换热器、膨胀水箱等，广泛应用于商用空调、制冷设备、热泵热水机、泳池调温设备、海鲜池恒温机。
Through the practice of developing the products, some experience is available which can be used to determine in which case the expansion joint is necessary in plate-shell exchangers.
当壳体与板束温差较大时，笔者通过对产品开发的生产实践，提出解决板壳式换热器要否设置膨胀节的类似判定方法。
The divided-flow two-level turbine engine with two pumps is composed of a turbine, a turbine shaft, a two-level booster pump wheel, a guide pulley and the expansion chamber shell.
分流式两泵两级涡轮发动机由两级涡轮、涡轮轴、两级增压泵轮、导轮和膨胀室壳体组成。
The intermittent break expansion phenomenon caused by sliding or overturning of clay core during the scouring process of downstream shell break-induced flows is considered.
该模型较好地考虑了漫坝水流对下游坝壳冲蚀过程中黏土心墙滑动或倾覆失稳所引起的溃口间歇性增大现象。
The influence of temperature on thermal expansion of photo-curing resin used for rapid prototype(RP)and the preparation process of the rapid-precision casting ceramic shell were studied.
研究了装炉温度对快速成形用光固化树脂热膨胀特性的影响和型壳制备工艺。
The one-level turbine engine with one pump is composed of a turbine, a turbine shaft, a booster pump wheel and an expansion chamber shell.
一泵一级涡轮发动机由涡轮、涡轮轴、增压泵轮和膨胀室壳体组成。
The divided-flow two-level turbine engine with one pump is composed of a turbine, a turbine shaft, a two-level booster pump wheel, a guide pulley and the expansion chamber shell.
分流式一泵两级涡轮发动机由涡轮、涡轮轴、两级增压泵轮、导轮和膨胀室壳体组成。
The 3d exact equations to solve free vibration of the cylindrical shell were obtained by using power series expansion method.
用幂级数展开法得到了求解该圆柱形梯度壳自由振动的三维精确公式。
The 3d exact equations to solve free vibration of the cylindrical shell were obtained by using power series expansion method.
用幂级数展开法得到了求解该圆柱形梯度壳自由振动的三维精确公式。
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