וְקַלְעֵ֣י הֶֽחָצֵ֗ר וְאֶת־מָסַךְ֙ פֶּ֣תַח הֶֽחָצֵ֔ר אֲשֶׁ֧ר עַל־הַמִּשְׁכָּ֛ן וְעַל־הַמִּזְבֵּ֖חַ סָבִ֑יב וְאֵת֙ מֵֽיתָרָ֔יו לְכֹ֖ל עֲבֹדָתֽוֹ׃
院子的帷子、院子門口的門簾（這院子環繞在帳幕和祭壇四周），以及帳幕的繩索，還有與這些相關的一切事務。
Rashi
ואת מיתריו AND THE CORDS OF IT — This means: those of “the dwelling” (the lower curtains) and of “the tent” (the upper curtains), and not those of the enclosure (חצר) mentioned in this verse [although some of these are stated in Numbers 4:26 to be in charge of the Gershonites].
Chizkuni
אשר על המשכן ועל המזבח, “which are next to the Tabernacle and the copper altar.”
Siftei Chakhamim
Of the Mishkon and the tent. Because the sons of Merari carried the ropes of the enclosure. See Rashi to Parshas Naso (Bamidbar 4:32).