automatic circulation造句

The designing and producing of the automatic circulation circuit of the aiguille in the bore - cut precess equipment
的钻削加工装置钻头自动循环控制电路的设计
Pumps - rotodynamic pumps - circulation pumps having a rated power input not exceeding 200 w for heating installations and domestic hot water installations - non - automatic circulation pumps , requirements , testing , marking
泵.旋转动力泵.家用热水置装和供热装置用的额定功率输入不超过200w的循环泵.非自动循环泵的要求试验和标记
It's difficult to find automatic circulation in a sentence. 用automatic circulation造句挺难的