'Call me Earl!' he entreated...“叫我厄尔！”他恳切地说。Trevor Steven entreated them to delay their departure.特雷弗·史蒂文恳求他们晚点走。They entreated and threatened, but all this seemed of no avail.他们时而恳求, 时而威胁, 但这一切看来都没有用。Trevor St...
The simplest type of pressure gauge is the open - tube manometer.最简单的压力计,是开管流体压力计.The topazometer is a mercury - actuated manometer.带软管的杯式压力计是一种水银作用式压力计.The Bourdon - type pressure gauge is more convenient for most purpo...