His eyes, seeing nothing, moved ceaselessly about the room.他的眼睛现而不见, 可是不停地向屋子里四面看.So then, I must keep going , going nonstop , making progress ceaselessly.那我就不停地走, 不停地前进.So we beat on, boats against the current , borne b...
When the galvanometer reads zero the circuit is in the null - balance position.当检流计的读数为零时,电路处于零平衡位置.If a sinusoidal current is sent through a movingcoil galvanometer, the meter reads zero.如果将一正弦电流通入动圈式电流计, 那么这电流计的读数为零.Th...
Ocean Optics cuvette holders can accommodate both single - filter and double - filter slide carriers.我们的试管支架对单滤光片幻灯机和双滤光片幻灯机都适合.We offer cuvette covers made specifically for our line of disposable cuvettes.我们为我们的通用试管产品提供...
Improved injector nozzles seal off better to keep the process leak - free and the molding operation dry.改进了的注射喷头密封更好从而杜绝了泄露的问题保持注射过程的干燥整洁.The blow molding machine consists a rotary blow - station device, an infeed and an...