摇筛器摇动器 shaker 摇筛式离子交换接触器 swinging sieve ionexchange contactor ; exchange contactor 摇筛式马玲薯挖掘机 swingsieve potato digger ; sieve potato digger ..
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continuous ion-exchange contactor 连续离子交换接触器
swinging sieve ion-exchange contactor 摇筛式离子交换接触器
Ion-Exchange Contactor 离子交换器系列
You are working in a country where it is customary to exchange gifts between contactor and customer.
你正在工作的国家有一个风俗习惯，即在承包商和客户之间交换礼物。
Method The automatic ventilation and gas exchange system consisted of 2 electronic modulators, alternating current contactor, 1 switch, 1 oxygen meter and some seamless steel tubes.
方法自动通风换气系统由2个电动调节阀、1个交流接触器、1个开关、1台测氧仪、少量无缝钢管组成。
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