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观察口 guānchákǒu
expl. sight window
met. window
multimed. viewport
oil porthole
space viewport (文档或图像在视窗中的一部分)
tech. inspection port; viewing port; viewing slot
观察口文档或图像在视窗中的一部分 guānchákǒu
telecom. viewport
观察口: 9 phrases in 3 subjects
General1
Oil / petroleum1
Technology7