Dall流量管是具有特别高的压头补偿的实验装置.The Dall flow tube is an empirical design with an extremely high pressure head recovery.当下游压头大于上游压头约3/5时, 流量是潜流.When the downstream head is greater than about 3 / 5 of the upstream head, flow is s...
Ginseng is the usual gift for a convalescent.人参是送给康复期病人的常见馈赠.Her cheeks began to fill out after she'd been in the convalescent hospital for a couple of months.在疗养院养了两个月以后,她的脸渐渐变圆了.At last he was pronounced upon the ...
这些真菌在它们的横壁中是具简单孔的横隔膜的.These fungi are septate with simple pores in their cross - walls.拉尔夫抓住了要领,运用横隔膜的气往贝壳里猛送.Ralph grasped the idea and hit the shell with air from his diaphragm.人世间相距最远的两点,是两颗隔膜的心.The most remote two po...