【化】 guide tube
guide; lead; teach; transmit
【医】 guidance; guide
always; at; be partial to; direction; face; out; to; toward
【医】 ad-; ak-; ob-
bushing; cannula; casing; sleeve; thimble
【化】 annular tubes; double pipe; double tube; liner; sleeve
【医】 cannula; canula; casing