FOCKE350小盒包装机胶水有气泡不会引起胶水最高位故障。
参考答案：错
The recorder ______ yesterday. It works OK now. [ ]
A. repaired
B. was repaired
C. has repaired
D. will be repaired
A．一定小于重力
B．一定大于重力
C．一定等于重力
D．以上说法均不正确
