parrel truck滑珠环
tub parrel桶式桁桅连接索箍;桶式桁桅联结索箍
yard parrel横杆索箍
jaw parrel斜桁端颚索箍
Parrel Ball吊环螺钉
parrel pocket衣服袋
gaff parrel斜桁滑环
rib and truck parrel串珠式桁桅联结索箍;串珠式桁桅连接索箍
N（名词） a ring that holds the jaws of a boom to the mast but lets it slide up and down 桁桅连接用滑环 [nautical]