"The keyboard equipment of vertical piano includes keyboard, mechanical system, casing system, descending system, back hollow system and top door system.
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exhaust outlet casing system 抽风系统
casing collection system 套管气收集系统
mud line casing support system 泥线套管支承系统
casing feed system 套肠衣系统
casing stuffing and clipping system 肠衣充填及剪切系统
double casing pipes system 双套管系统
ultrasonic casing imaging system 超声成像系统
casing service system pro-gram 套管井服务程序
These loads are transferred through the riser to the well - head and casing system, causing fatigue at critical connectors and welds.
这些载荷通过立管传递到井口和套管，在连接和焊接处形成临界疲劳区。
This solution, in effect, gives the receiving system a hint as to which values are standard (including casing and spelling) but in fact allows any value in the string field.
实际上，该解决方案提示接收系统哪些值是标准的(包括包装和拼写)。但实际上字符串字段可以存放任何值。
If the exhaust system is under a vacuum, the casing must be warmed by gradually introducing the steam, after opening the exhaust valve.
如果排气系统处于真空下，必须在打开排气阀后，逐渐引蒸汽来加热壳体。
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