Periodically , the lamellae become enlarged, forming flattened, membrane - enclosed vesicles called thylakoids.片层周期性地扩展, 形成扁平的有膜为界的囊,称为类囊体.Twin lamellae will be deformed differently when rolling in different direction.随轧...
ZPCJ flameproof type valve position transmitter.ZPCJ隔爆式阀位传送器.The workers are in flameproof overalls.工人们穿上防火工装裤.The paper emphatically introduces the working principle of functional units of flameproof intelligent soft - ...