The programmer forms the heart of the process chromatograph.程序控制器是色谱仪的关键部件.The basic principle of vacuum braze and its application in manufacturing gas chromatograph are described.介绍了真空钎焊技术的基本原理及其在气相色谱仪气路部件加工中的应用.The tec...
Listen to criticism but don't be crushed by it.听取批评意见，但不要被它击垮。The olives are crushed to a pulp by stone rollers.橄榄被石磙碾成了酱。The crowd stampeded and many were crushed or trampled underfoot.人群争先恐后地奔逃，很多人被压伤或踩踏。...