During off-peak times, electricity runs a compressor which pumps the air down into the cavern.

在非高峰期，电力驱动一台压缩机，将空气泵入到洞穴中。

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It has the functions of spinning and cutting, especial ly available to cut off big thin-wall cylindrical workpiece such as the shell of compressor.

该机床具有旋压切断功能，特别适用于压缩机壳体等大型圆柱薄壁筒形件的切断加工。

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And the capacities of compressor could be selected by on-off switch along with the change of burthen of evaporator, which is a main characteristic of the central refrigeration system model.

集中供冷系统仿真数学模型的主要特点是压缩机可以根据蒸发器总负荷大小选择性开关不同的档位，相应的输入输出参数也随之改变。

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Each LNG In A Box unit is fully equipped with a gas pre-treatment system, cold box assembly and boil off gas compressor as well as a GE's turboexpander compressor, high-speed reciprocating compressor, electric motor, driver and control system.

WSJ: GE Unveils LNG In A Box(TM) System; Gasfin Selects New Technology for Fueling Stations in Europe