“背衬”造句

在有较大开口的情形中,还需选购背衬材料.
A backing material is optionaland only needed for large openings.

酚醛背衬阀座: 不可拆解, 抗拉伸,抗撞击.现场可更换.
Phenolic Backed Seat: Non - collapsible, stretch resistant, blow out proof, field replaceable.

剥离背衬膜.
Peel off the backing film.

• #背衬