在切割直线槽时，由于线槽盖和底槽是配对的，一般不宜分别处理线槽盖和底槽。
参考答案：对
The manager, ____ it clear to us that we should stick to the plan, left the meeting room.
A．who has made
B．having made
C．made
D．making
简述性窒息死的法医学鉴定
