内部宽度 meaning in Chinese

internal width

This system infinitize the width of tin bath , it can automatic find the edge of glass and have an automatic adjustment
本系统不受锡槽内部宽度限制，能自动寻找玻璃边缘，且自动调整。
Couplings for compressed air - claw coupling , 42 mm internal width , with securing nut - coupling with male , female and hose connection ends , joint ring
压缩空气匹配件.爪状匹配件,带安全螺母内部宽度42mm ,