辐射直接作用
direct action of radiation
直接作用的控制阀
direct-acting control valve
直接作用的控制器
direct operating controller
直接作用记录器
direct acting recording instrument
直接作用记录仪器
direct-acting recording instrument
直接作用控制阀
direct acting control valve
直接作用面积比吸收能
specific energy absorption per direct effect area
直接作用盘形气门
direct acting poppet type valve
直接作用式安全阀
direct-operated relief valve
直接作用式电压调整器
direct-acting voltage regulator
直接作用式调节阀
direct-operated regulator
直接作用式调节器
direct acting type regulator
direct acting regulator