壳侧压力降 shellside: 管际空间; 壳程drop in pressure: 压力降低; 压力下降drop of pressure: 压降; 压力降pressure drop: 压降; 压力降;压差(损失); 压力损失; 压力下降pressure drop;differential pressure: 压降下载手机词典可随时随地查词查翻译