麦克弗森踢了个角球，詹姆斯头球顶出横梁后出界。
McPherson took the corner and James crashed his header off the crossbar and over the line.
顶出机构是推杆推出的一次脱出机构。
The knockouts system uses once ejecting mechanism that lifter pushes out.
产品可能会挂在斜顶上，需考虑二次顶出。
The part may hang on the Angle lifter, so we need to consider two stage ejection.
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