电能是由铺设在屋顶并与变极器和直流电网相连的PV板提供.The electricity is supplied by roof - mounted PV cells linked to an inverter and a DC net.电能是由铺设在屋顶并与变极器和直流电网相连的pv板提供.The electricity is supplied by roof - mounted PV cells linked to inverter ...
Objective To study the X - ray and clinical diagnosis Idiopathic Pulmonary Hemosiderosis.目的:探讨肺含铁血黄素沉着症临床 X 线诊断.Most cases of aplastic anemia are idiopathic.多数再生障碍性贫血的病例是自发性的.Objective : To evaluate the treatment of idio...
The moon was casting a rainbow through the spray from the waterfall.月亮在瀑布溅起的水雾上照出了一道彩虹。They flew in over the beach, casting a huge shadow.它们飞到海滩上空，抛下一大片黑影。The security forces are casting their net wider.安全部队正在更广泛地布网。...
The dog began to yowl.那只狗开始哀嚎。Cats yowl. My dog's hair bristles in response.这些猫的哀叫引得我的狗毛发竖立。Suddenly, the cat lets out a heart - rending yowl.突然, 那猫发出一声撕心的嚎叫....
Eileen shook him, and he started to stir.艾琳晃了晃他，他开始醒过来。"Hang on a bit," said Eileen. "I'm not finished yet. Give us a chance."“等一下，”艾琳说，“我还没做完呢。给我个机会吧。”And what kind of enlightenment Eileen Cheung can provide to us?...
在圆形活塞的VV化油器中, 活塞是由进气歧管真空移动的.In the roundpiston VV carburetor, the piston is moved by intake - manifold vacuum.这个真空叫做进气歧管真空.这种进气歧管真空随运转情况而变化.This vacuum, called intake - manifold vacuum, varies as the operating conditions...