() 阀门在开度小时流量相对变化值大 , 灵敏度高 , 不易控制 , 甚至发生振荡 , 而在大开度时 , 流量相对变化值小 , 调节缓慢 , 不够及时。
A、快开特性C
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Asitinvolvesonlyasmall___,wehopeyouwillhavenodifficultyonpromotion.()
____yourinformation,wehavereceivedacrowdofenquiriesfrombuyersinotherdirections.()
Wecannot_____presententertainanyfreshordersforYoungerBrandMen'sShirts.()
Thewoundedsoldierswouldrecoverquicklyiftheywerewell________.
Peopleappreciate_______withhimbecauseheisknowledgeableandhumorous.