The trap is commonly used for floats, thermal power, free - float, double - metal - style , pulse, and so on - bell - shaped float.常用的疏水阀有浮桶式 、 热动力式 、 自由浮球 式 、 双金属片式、脉冲式 、 钟形浮子式等....
Others said the tumult had been fuelled by precisely these strategies.另一些人则认为,正是这些措施助长了骚动.The timing of the gun was precisely synchronised with the turning of the plane’s propeller.风门的调速与飞机螺旋桨的转动精确同步。This is impossible t...
打磨木头的表面，为刷清漆做准备。Rub the surface of the wood in preparation for the varnish.这块木头的4个角刨过后就变小了。The piece was reduced in size by planing down the four corners.他无法确定地板是木头的还是石头的。He could not tell whether the floor was wood or s...