Mike put his pipe down, crossed his hands behind his neck, and turned his face towards the window.
麦克放下烟斗,双手交叉着放在脖子后面,转过头去看窗子。
3
A by-pass capillary tube was added on the discharge pipebehind the four-way valve and a tube was added in an accumulator in a heat pump system to solve the problem.