When frames are ordered, the size and type of the door, the hardware to be used, and the swing of the door all must be known. Standard frames may be acceptable on some jobs, but often special frames must be made.
參考答案:当框架确定以后，必须对门的型号、所用的五金配件以及门的转动进行全面了解。虽然在有些活儿中可采用标准框架，但通常还要制定出特殊框架。