English translation for "two-way three-step ship lock"

双线三级船闸

Similar Words：

"two-way telephone" English translation, "two-way telephone circuit" English translation, "two-way telephone equipment" English translation, "two-way television" English translation, "two-way television relay" English translation, "two-way thrust bearing" English translation, "two-way tie" English translation, "two-way time" English translation, "two-way time profile" English translation, "two-way tow lane canal" English translation