无回退弯纱
参考答案：
形成一只线圈所需纱线全部由导纱器供给。
个人网银客户证书挂失后，（）可以补办证书。
A、3天后
B、7天后
C、30天后
D、任何时候
—Where is your new home now?
—In the new developed zone. But I ______downtown for five years.[ ]
A. have lived
B. had lived
C. 1ived
D. was living
